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CVE-2022-26373

Status Candidate

Overview

Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

Related Files

Ubuntu Security Notice USN-6221-1
Posted Jul 13, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6221-1 - It was discovered that a race condition existed in the overlay file system implementation in the Linux kernel. A local attacker could use this to cause a denial of service. It was discovered that the virtual terminal device implementation in the Linux kernel contained a race condition in its ioctl handling that led to an out-of-bounds read vulnerability. A local attacker could possibly use this to expose sensitive information.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-20321, CVE-2021-3753, CVE-2022-1184, CVE-2022-26373, CVE-2022-29901, CVE-2023-1990, CVE-2023-3111
SHA-256 | aad528fdb86e9bbeb6b879040fabb3eb8de4a6b4026eb87e0cb5da1c148cb4d8
Ubuntu Security Notice USN-6007-1
Posted Apr 12, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6007-1 - It was discovered that the Upper Level Protocol subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2022-20369, CVE-2022-26373, CVE-2022-2663, CVE-2022-29900, CVE-2022-29901, CVE-2022-3521, CVE-2022-3545, CVE-2022-3628, CVE-2022-3640, CVE-2022-3646, CVE-2022-3649, CVE-2022-39842, CVE-2022-41849, CVE-2022-41850
SHA-256 | c9b262e901295d825ffdae99b8758152082453e077fbc686cdf819f98f52abc7
Ubuntu Security Notice USN-5975-1
Posted Mar 28, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5975-1 - It was discovered that the Upper Level Protocol subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2021-3669, CVE-2022-20369, CVE-2022-26373, CVE-2022-2663, CVE-2022-29900, CVE-2022-29901, CVE-2022-3424, CVE-2022-3521, CVE-2022-3545, CVE-2022-3628, CVE-2022-36280, CVE-2022-3640, CVE-2022-3646, CVE-2022-3649
SHA-256 | 55a2fbec6479385655d2d83595dfcf36b5ab0bc7b371d27631fa268db1102ed8
Ubuntu Security Notice USN-5924-1
Posted Mar 7, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5924-1 - It was discovered that the Upper Level Protocol subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2021-3669, CVE-2022-20369, CVE-2022-26373, CVE-2022-2663, CVE-2022-29900, CVE-2022-29901, CVE-2022-3424, CVE-2022-3521, CVE-2022-3545, CVE-2022-3628, CVE-2022-36280, CVE-2022-3640, CVE-2022-3646, CVE-2022-3649
SHA-256 | a8eab20b02c9df68362580c4223bc74421adc8ea73b39fe1311d5dcd6ee3c327
Ubuntu Security Notice USN-5883-1
Posted Feb 23, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5883-1 - Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service or execute arbitrary code. It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-20369, CVE-2022-26373, CVE-2022-2663, CVE-2022-29900, CVE-2022-29901, CVE-2022-3521, CVE-2022-3545, CVE-2022-3628, CVE-2022-3640, CVE-2022-3646, CVE-2022-3649, CVE-2022-39842, CVE-2022-41849, CVE-2022-41850
SHA-256 | 42ecf192cd658944c9911950524453182140573973b7872b42e621102bc1581b
Ubuntu Security Notice USN-5865-1
Posted Feb 10, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5865-1 - It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Pawan Kumar Gupta, Alyssa Milburn, Amit Peled, Shani Rehana, Nir Shildan and Ariel Sabba discovered that some Intel processors with Enhanced Indirect Branch Restricted Speculation did not properly handle RET instructions after a VM exits. A local attacker could potentially use this to expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-20369, CVE-2022-26373, CVE-2022-2663, CVE-2022-29900, CVE-2022-29901, CVE-2022-3646, CVE-2022-3649, CVE-2022-39842, CVE-2022-41849, CVE-2022-41850, CVE-2022-43750
SHA-256 | d470ee0d49375b5701a19573e03e2dabc5173524202dbcc89774cd1d5590bbfe
Ubuntu Security Notice USN-5862-1
Posted Feb 10, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5862-1 - It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Pawan Kumar Gupta, Alyssa Milburn, Amit Peled, Shani Rehana, Nir Shildan and Ariel Sabba discovered that some Intel processors with Enhanced Indirect Branch Restricted Speculation did not properly handle RET instructions after a VM exits. A local attacker could potentially use this to expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-20369, CVE-2022-26373, CVE-2022-2663, CVE-2022-29900, CVE-2022-29901, CVE-2022-3646, CVE-2022-3649, CVE-2022-39842, CVE-2022-41849, CVE-2022-41850, CVE-2022-43750
SHA-256 | 30558a6a34be9f92661ed604b38720c7d76ed2b73de252692dc001bb4777618d
Ubuntu Security Notice USN-5861-1
Posted Feb 10, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5861-1 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-20369, CVE-2022-26373, CVE-2022-2663, CVE-2022-29900, CVE-2022-29901, CVE-2022-3643, CVE-2022-3646, CVE-2022-3649, CVE-2022-39842, CVE-2022-41849, CVE-2022-41850, CVE-2022-42896, CVE-2022-43750, CVE-2022-43945
SHA-256 | d2fb9a59a66f131a423fca0f0ab291edb8792fba719dc2691f62ec8cdeb36057
Ubuntu Security Notice USN-5854-1
Posted Feb 10, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5854-1 - It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Pawan Kumar Gupta, Alyssa Milburn, Amit Peled, Shani Rehana, Nir Shildan and Ariel Sabba discovered that some Intel processors with Enhanced Indirect Branch Restricted Speculation did not properly handle RET instructions after a VM exits. A local attacker could potentially use this to expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-20369, CVE-2022-26373, CVE-2022-2663, CVE-2022-29900, CVE-2022-29901, CVE-2022-3646, CVE-2022-3649, CVE-2022-39842, CVE-2022-41849, CVE-2022-41850, CVE-2022-43750
SHA-256 | 2832ff03fd27cf1a07103d10c1ca9190a19b928b6cb2673fff075eb47255b809
Red Hat Security Advisory 2023-0440-01
Posted Jan 25, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-0440-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2022-26373, CVE-2022-4139
SHA-256 | 6d75623fe8f38f20905f3965079441cf9e0ae8889a9f0bcebf5cba22336718cc
Red Hat Security Advisory 2022-8973-01
Posted Dec 14, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-8973-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, code execution, memory leak, out of bounds write, and privilege escalation vulnerabilities.

tags | advisory, overflow, kernel, vulnerability, code execution, memory leak
systems | linux, redhat
advisories | CVE-2022-1158, CVE-2022-21123, CVE-2022-21125, CVE-2022-21166, CVE-2022-23816, CVE-2022-23825, CVE-2022-26373, CVE-2022-2639, CVE-2022-2959, CVE-2022-29900, CVE-2022-29901, CVE-2022-43945
SHA-256 | 8fedbbf10be56ed3244024efc11739ae41c56ec0cebbc5d2689f162776226891
Red Hat Security Advisory 2022-8974-01
Posted Dec 14, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-8974-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include buffer overflow, code execution, out of bounds write, and privilege escalation vulnerabilities.

tags | advisory, overflow, kernel, vulnerability, code execution
systems | linux, redhat
advisories | CVE-2022-1158, CVE-2022-21123, CVE-2022-21125, CVE-2022-21166, CVE-2022-23816, CVE-2022-23825, CVE-2022-26373, CVE-2022-2639, CVE-2022-2959, CVE-2022-29900, CVE-2022-29901, CVE-2022-43945
SHA-256 | 6d35672261df38aa85cd2ee464c60cd4122ef8f495ae23678e628e5bf760d2c8
Red Hat Security Advisory 2022-7338-01
Posted Nov 3, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-7338-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include code execution, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability, code execution
systems | linux, redhat
advisories | CVE-2022-23816, CVE-2022-23825, CVE-2022-2588, CVE-2022-26373, CVE-2022-29900, CVE-2022-29901
SHA-256 | 97a4f05892f5310eee304e4ddc0379cfce9b9f7cd23d75d375041238621f622e
Red Hat Security Advisory 2022-7337-01
Posted Nov 3, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-7337-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include code execution, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability, code execution
systems | linux, redhat
advisories | CVE-2022-23816, CVE-2022-23825, CVE-2022-2588, CVE-2022-26373, CVE-2022-29900, CVE-2022-29901
SHA-256 | cecb4ff726f2e2ac5392c18e54da018333c6e9f6ac8100a7ea617dcc091c62bf
Ubuntu Security Notice USN-5706-1
Posted Oct 28, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5706-1 - It was discovered that the BPF verifier in the Linux kernel did not properly handle internal data structures. A local attacker could use this to expose sensitive information. It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-4159, CVE-2022-20369, CVE-2022-2318, CVE-2022-26365, CVE-2022-26373, CVE-2022-3176, CVE-2022-33740, CVE-2022-33742, CVE-2022-33744, CVE-2022-36879
SHA-256 | 7aaa31ceef76ec8bdfbe0b205ddec2f0fbf8452e3b09e76f3ff397adbff1ccef
Ubuntu Security Notice USN-5703-1
Posted Oct 27, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5703-1 - Selim Enes Karaduman discovered that a race condition existed in the General notification queue implementation of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Pawan Kumar Gupta, Alyssa Milburn, Amit Peled, Shani Rehana, Nir Shildan and Ariel Sabba discovered that some Intel processors with Enhanced Indirect Branch Restricted Speculation did not properly handle RET instructions after a VM exits. A local attacker could potentially use this to expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-1882, CVE-2022-26373, CVE-2022-3176, CVE-2022-36879, CVE-2022-39189
SHA-256 | 5b417b139db650f2b8fcd1898f6ce031817ce2b3bdc152c22adfa9c99b871850
Ubuntu Security Notice USN-5682-1
Posted Oct 17, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5682-1 - It was discovered that the BPF verifier in the Linux kernel did not properly handle internal data structures. A local attacker could use this to expose sensitive information. It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-4159, CVE-2022-20369, CVE-2022-2318, CVE-2022-26365, CVE-2022-26373, CVE-2022-3176, CVE-2022-33740, CVE-2022-33742, CVE-2022-33744, CVE-2022-36879
SHA-256 | 290d766370dff052f65510abe2bf8c1d9c4f1ae1e64f9589a9ec5f7dbb24a319
Ubuntu Security Notice USN-5683-1
Posted Oct 17, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5683-1 - It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Selim Enes Karaduman discovered that a race condition existed in the General notification queue implementation of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33655, CVE-2022-1882, CVE-2022-2318, CVE-2022-26365, CVE-2022-26373, CVE-2022-3176, CVE-2022-33740, CVE-2022-33742, CVE-2022-33743, CVE-2022-33744, CVE-2022-34495, CVE-2022-36879, CVE-2022-36946, CVE-2022-39189
SHA-256 | 2f714311a2bf42767fd2c040e5e7b4c70e5d9ee2315aaccde091a713f4953e03
Ubuntu Security Notice USN-5677-1
Posted Oct 17, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5677-1 - It was discovered that the BPF verifier in the Linux kernel did not properly handle internal data structures. A local attacker could use this to expose sensitive information. It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-4159, CVE-2022-20369, CVE-2022-2318, CVE-2022-26365, CVE-2022-26373, CVE-2022-3176, CVE-2022-33740, CVE-2022-33742, CVE-2022-33744, CVE-2022-36879
SHA-256 | e2097990121803abdb83158d31fa16df3ba989a051c33b0cb6a47ce4a369c82a
Ubuntu Security Notice USN-5667-1
Posted Oct 11, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5667-1 - Selim Enes Karaduman discovered that a race condition existed in the General notification queue implementation of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Pawan Kumar Gupta, Alyssa Milburn, Amit Peled, Shani Rehana, Nir Shildan and Ariel Sabba discovered that some Intel processors with Enhanced Indirect Branch Restricted Speculation did not properly handle RET instructions after a VM exits. A local attacker could potentially use this to expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-1882, CVE-2022-26373, CVE-2022-3176, CVE-2022-36879, CVE-2022-39189
SHA-256 | fc6aa0b48cbbec45c01ce88ea8e4020301f03167f09f577ba52bbe554559b948
Ubuntu Security Notice USN-5668-1
Posted Oct 11, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5668-1 - It was discovered that the BPF verifier in the Linux kernel did not properly handle internal data structures. A local attacker could use this to expose sensitive information. It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-4159, CVE-2022-20369, CVE-2022-2318, CVE-2022-26365, CVE-2022-26373, CVE-2022-3176, CVE-2022-33740, CVE-2022-33742, CVE-2022-33744, CVE-2022-36879
SHA-256 | aea4081e796ea4318e67523ffea3d182af837e95e646bf0b90c845b1763c2f0d
Debian Security Advisory 5207-1
Posted Aug 28, 2022
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5207-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2022-2585, CVE-2022-2586, CVE-2022-2588, CVE-2022-26373, CVE-2022-29900, CVE-2022-29901, CVE-2022-36879, CVE-2022-36946
SHA-256 | a834fc5673ea42539aceee3099b521390b2bb10a60b230031ba7bb0a98087e77
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