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CVE-2023-1829

Status Candidate

Overview

A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure. A local attacker user can use this vulnerability to elevate its privileges to root. We recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28.

Related Files

Red Hat Security Advisory 2023-7434-01
Posted Nov 22, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-7434-01 - An update for kernel is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2023-1829
SHA-256 | e0fba6a08cab6238d94cd0a025c00582aadfb8a859979b55fd86c7e9368c8806
Red Hat Security Advisory 2023-7431-01
Posted Nov 22, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-7431-01 - An update for kernel-rt is now available for Red Hat Enterprise Linux 8.2 Telecommunications Update Service. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2023-1829
SHA-256 | 5254d2f7a68346117fbef2d12d056430d6df8d2b748916611ccfa85c6128aca8
Red Hat Security Advisory 2023-7417-01
Posted Nov 22, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-7417-01 - An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Issues addressed include a use-after-free vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2023-1829
SHA-256 | b79e2f3138343f171cb37f04e56e61c94acb5fe89091bbd35686421d2cb63901
Red Hat Security Advisory 2023-4961-01
Posted Sep 5, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4961-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include out of bounds access, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2023-1829, CVE-2023-2002, CVE-2023-2124, CVE-2023-3090, CVE-2023-3390, CVE-2023-35001, CVE-2023-35788, CVE-2023-4004
SHA-256 | 6684389df31fc20aede82599f99fafc894611d2c55fac3be32a4e69245e35cdc
Red Hat Security Advisory 2023-4967-01
Posted Sep 5, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4967-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include out of bounds write and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2023-1829, CVE-2023-3090, CVE-2023-3390, CVE-2023-35001, CVE-2023-35788, CVE-2023-4004
SHA-256 | 5e22461312df0e509649b6a701ce80d7ddb1c340b7ff0348a3ad838f96cc31fa
Red Hat Security Advisory 2023-4962-01
Posted Sep 5, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4962-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include out of bounds access, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2023-1829, CVE-2023-2002, CVE-2023-2124, CVE-2023-3090, CVE-2023-3390, CVE-2023-35001, CVE-2023-35788, CVE-2023-4004
SHA-256 | 53ab97930ec953dffbca45e4e056a2e6296372ccd616bd9dc629e8f5df8fa6e6
Red Hat Security Advisory 2023-4888-01
Posted Aug 31, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4888-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include out of bounds write and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2022-42896, CVE-2023-1829, CVE-2023-3390, CVE-2023-35788
SHA-256 | 88a9bb8c05628ae38a95c17e5e550ce2363e19952b9132dcd65e82c001a8e5f2
Red Hat Security Advisory 2023-4789-01
Posted Aug 29, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4789-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include information leakage, null pointer, out of bounds access, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-33656, CVE-2022-42896, CVE-2023-1637, CVE-2023-1829, CVE-2023-2002, CVE-2023-20593, CVE-2023-2124, CVE-2023-28466, CVE-2023-3390, CVE-2023-35788
SHA-256 | 35daef38fd3c16f236a620a2aab24aa94cf4e112cadcb8e6139ed0ad494acad2
Red Hat Security Advisory 2023-4531-01
Posted Aug 8, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4531-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include privilege escalation and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2022-42896, CVE-2023-1281, CVE-2023-1829
SHA-256 | 011026b4b36f55daf3ed81b46636357bc0bab4bb6f8cd65f801fa0d7c9a04ecb
Red Hat Security Advisory 2023-4517-01
Posted Aug 8, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4517-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include out of bounds access, out of bounds write, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2022-42896, CVE-2023-1281, CVE-2023-1829, CVE-2023-2124, CVE-2023-2194, CVE-2023-2235
SHA-256 | 18ca1a2d2bb8e1e5c625c86b54b8da16e838e8069670bd47e1b837b47fd7e8ba
Red Hat Security Advisory 2023-4541-01
Posted Aug 8, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4541-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include out of bounds access, out of bounds write, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2022-42896, CVE-2023-1281, CVE-2023-1829, CVE-2023-2124, CVE-2023-2194, CVE-2023-2235
SHA-256 | afd57de8197f4fa2f3f6f819900ae0f78bac5331e50d8a51481ca5b1e5bb9e15
Red Hat Security Advisory 2023-4516-01
Posted Aug 8, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4516-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include out of bounds write and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2023-1829, CVE-2023-3090, CVE-2023-35788
SHA-256 | 03d87786d6e2c0629ae082adb3422c024d663a57ea078d1ab058a9e4b2ee5761
Red Hat Security Advisory 2023-4515-01
Posted Aug 8, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4515-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include out of bounds access, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2023-1829, CVE-2023-2124, CVE-2023-3090, CVE-2023-35788
SHA-256 | fb4b957aa7d6c07f0ae0edcd5bdf1b80d2a1f449f0cac11542baf1e29bcf298f
Ubuntu Security Notice USN-6133-1
Posted Jun 2, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6133-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the TCINDEX classifier has been removed. It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information.

tags | advisory, x86, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-27672, CVE-2022-3707, CVE-2023-0459, CVE-2023-1075, CVE-2023-1078, CVE-2023-1118, CVE-2023-1513, CVE-2023-1829, CVE-2023-1872, CVE-2023-20938, CVE-2023-2162, CVE-2023-32269
SHA-256 | 8dbd60b85d91d8541dce5a452bbd26cd2c78f4622dc2154acc6b4aac98331f41
Ubuntu Security Notice USN-6093-1
Posted May 22, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6093-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the TCINDEX classifier has been removed. It was discovered that the Traffic-Control Index implementation in the Linux kernel contained 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-2022-3108, CVE-2022-3903, CVE-2022-4129, CVE-2023-0458, CVE-2023-1073, CVE-2023-1074, CVE-2023-1281, CVE-2023-1829, CVE-2023-26545
SHA-256 | a978cac588db84607cc6b04a9d12c7eba418d67966b505fd71ab931daba3fd00
Ubuntu Security Notice USN-6072-1
Posted May 11, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6072-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the TCINDEX classifier has been removed. Lin Ma discovered a race condition in the io_uring subsystem in the Linux kernel, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-0386, CVE-2023-0468, CVE-2023-1829, CVE-2023-1859, CVE-2023-23455, CVE-2023-26545
SHA-256 | 464784fc1b864509cd7743efd768c18ef1040022ac031c3c8fa8e70d3c797def
Ubuntu Security Notice USN-6071-1
Posted May 11, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6071-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the TCINDEX classifier has been removed. Lin Ma discovered a race condition in the io_uring subsystem in the Linux kernel, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-2590, CVE-2022-3303, CVE-2022-3586, CVE-2022-40307, CVE-2022-4095, CVE-2022-4662, CVE-2023-0386, CVE-2023-0468, CVE-2023-1829, CVE-2023-1859, CVE-2023-23455, CVE-2023-26545
SHA-256 | a8d674de4142afe5b10e10c26e6abb74259bba061201962b8a068983374d9c79
Ubuntu Security Notice USN-6070-1
Posted May 11, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6070-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the TCINDEX classifier has been removed. It was discovered that a race condition existed in the io_uring subsystem in 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-2023-1829, CVE-2023-1872
SHA-256 | fa0504421830ed00c4f6bcbaae386c80766836060ce80dbaed62ec20449f15e7
Ubuntu Security Notice USN-6069-1
Posted May 11, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6069-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the TCINDEX classifier has been removed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-1829
SHA-256 | 682de7dd8a93cc29b474ffb0dd00cf1ad5f678de9bf53e08447bebbfc4f17e3d
Ubuntu Security Notice USN-6058-1
Posted May 5, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6058-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-1829
SHA-256 | df267c32e5046036aa3be70787aac711623000f1d6a22035c09c4047186c58cd
Ubuntu Security Notice USN-6052-1
Posted May 1, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6052-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for thisCVE, kernel support for the TCINDEX classifier has been removed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-1829
SHA-256 | 22556eb4fe1474689bc2a6c1eab4d4271beaa362c89a900b76a777c5f897b936
Ubuntu Security Notice USN-6051-1
Posted May 1, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6051-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for thisCVE, kernel support for the TCINDEX classifier has been removed. It was discovered that a race condition existed in the io_uring subsystem in 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-2023-1829, CVE-2023-1872
SHA-256 | 8f3d3ba695803e924025f809e81f937f6354a99d3974142526b46598df33475c
Ubuntu Security Notice USN-6047-1
Posted Apr 28, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6047-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the TCINDEX classifier has been removed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-1829
SHA-256 | f5b7c5b414f755f1f1f5aae7b7546519a2ca4d620e65027346a58475baec50ad
Ubuntu Security Notice USN-6045-1
Posted Apr 27, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6045-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the TCINDEX classifier has been removed. Gwnaun Jung discovered that the SFB packet scheduling implementation in the Linux kernel contained 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-2022-3586, CVE-2022-4095, CVE-2023-1390, CVE-2023-1670, CVE-2023-1829
SHA-256 | 7f4964a8bbfe00a994ffc5a23ff5b019eb9dba86de5a26b1c7231f029cb97ab6
Ubuntu Security Notice USN-6044-1
Posted Apr 27, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6044-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the TCINDEX classifier has been removed. It was discovered that a race condition existed in the io_uring subsystem in 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-2023-1829, CVE-2023-1872
SHA-256 | 5b839e06eac533ee8f931c1c5769d4b8cd6ee8129c976f2954f2bcb6042ef741
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