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CVE-2023-1670

Status Candidate

Overview

A flaw use after free in the Linux kernel Xircom 16-bit PCMCIA (PC-card) Ethernet driver was found.A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

Related Files

Ubuntu Security Notice USN-6252-1
Posted Jul 27, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6252-1 - It was discovered that the ext4 file system implementation in the Linux kernel contained a use-after-free vulnerability. An attacker could use this to construct a malicious ext4 file system image that, when mounted, could cause a denial of service. It was discovered that the sound subsystem in the Linux kernel contained a race condition in some situations. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-1184, CVE-2022-3303, CVE-2023-1611, CVE-2023-1670, CVE-2023-1859, CVE-2023-1990, CVE-2023-2124, CVE-2023-3090, CVE-2023-3111, CVE-2023-3141, CVE-2023-3268, CVE-2023-3390, CVE-2023-35001
SHA-256 | f33849bf32c8784dc2dc942eddd765a6da4ead4a24f6749cde835abee1fdbf59
Ubuntu Security Notice USN-6223-1
Posted Jul 13, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6223-1 - It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service. It was discovered that the Real-Time Scheduling Class implementation in the Linux kernel contained a type confusion vulnerability in some situations. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-1076, CVE-2023-1077, CVE-2023-1079, CVE-2023-1670, CVE-2023-1859, CVE-2023-1998, CVE-2023-25012, CVE-2023-2985, CVE-2023-35788
SHA-256 | 6734417eac361fe013105bbc41e89886a385309d8bc7bdc98d05b21ba8977cd8
Ubuntu Security Notice USN-6207-1
Posted Jul 7, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6207-1 - It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service. It was discovered that the Real-Time Scheduling Class implementation in the Linux kernel contained a type confusion vulnerability in some situations. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-1076, CVE-2023-1077, CVE-2023-1079, CVE-2023-1670, CVE-2023-1859, CVE-2023-1998, CVE-2023-25012, CVE-2023-2985
SHA-256 | 078d5bcad96bf9c3bb2527dc64d2f00742ddc07203c5630cbb8b66d7899217b6
Ubuntu Security Notice USN-6187-1
Posted Jun 23, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6187-1 - William Zhao discovered that the Traffic Control subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service. It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-4269, CVE-2023-1076, CVE-2023-1077, CVE-2023-1079, CVE-2023-1670, CVE-2023-1859, CVE-2023-1998, CVE-2023-25012, CVE-2023-2985
SHA-256 | 89823737d37fd6db3070e194a86809b3c820df253fef685096a594196fd7d2d3
Ubuntu Security Notice USN-6186-1
Posted Jun 23, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6186-1 - Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Gwangun Jung discovered that the Quick Fair Queueing scheduler implementation in the Linux kernel contained an out-of-bounds write 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-2022-4269, CVE-2023-1380, CVE-2023-1583, CVE-2023-1611, CVE-2023-1670, CVE-2023-1855, CVE-2023-1859, CVE-2023-1989, CVE-2023-1990, CVE-2023-2194, CVE-2023-2235, CVE-2023-2612, CVE-2023-28466, CVE-2023-28866
SHA-256 | 852bc0984d64527371695ee9feac0d312b46b12c591411f7a5be5f0ffb1c93a2
Ubuntu Security Notice USN-6185-1
Posted Jun 23, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6185-1 - It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service. It was discovered that the Real-Time Scheduling Class implementation in the Linux kernel contained a type confusion vulnerability in some situations. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-1076, CVE-2023-1077, CVE-2023-1079, CVE-2023-1670, CVE-2023-1859, CVE-2023-1998, CVE-2023-25012, CVE-2023-2985
SHA-256 | be2e9478a6761c035541dad4eff6b7f5f36c9c99263510c8055de1ab00fac4e0
Ubuntu Security Notice USN-6175-1
Posted Jun 19, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6175-1 - Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Gwangun Jung discovered that the Quick Fair Queueing scheduler implementation in the Linux kernel contained an out-of-bounds write 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-2022-4269, CVE-2023-1380, CVE-2023-1583, CVE-2023-1611, CVE-2023-1670, CVE-2023-1855, CVE-2023-1859, CVE-2023-1989, CVE-2023-1990, CVE-2023-2194, CVE-2023-2235, CVE-2023-2612, CVE-2023-28466, CVE-2023-28866
SHA-256 | 8d2750e78e3f34d550c35335528e9e223f031e2f6d9e0cec905fe85512526c34
Ubuntu Security Notice USN-6172-1
Posted Jun 19, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6172-1 - It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service. It was discovered that the Real-Time Scheduling Class implementation in the Linux kernel contained a type confusion vulnerability in some situations. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-1076, CVE-2023-1077, CVE-2023-1079, CVE-2023-1670, CVE-2023-1859, CVE-2023-1998, CVE-2023-25012, CVE-2023-2985
SHA-256 | 330cba8aaf905bebf41e6a80a4c8a1cb8e157b85a9c041a2105319a7b2000420
Ubuntu Security Notice USN-6171-1
Posted Jun 19, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6171-1 - William Zhao discovered that the Traffic Control subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service. It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-4269, CVE-2023-1076, CVE-2023-1077, CVE-2023-1079, CVE-2023-1670, CVE-2023-1859, CVE-2023-1998, CVE-2023-25012, CVE-2023-2985
SHA-256 | 5e0f2f5de44174f1ab476b95c56ddf85f9e10ffea2fee44490d67465174ad759
Ubuntu Security Notice USN-6124-1
Posted May 31, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6124-1 - Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Reima Ishii discovered that the nested KVM implementation for Intel x86 processors in the Linux kernel did not properly validate control registers in certain situations. An attacker in a guest VM could use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, x86, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-3586, CVE-2022-4139, CVE-2023-1670, CVE-2023-2612, CVE-2023-30456, CVE-2023-32233
SHA-256 | 488019825a52767118c79091984feba06bc2c22c68ba9d70b20568ab55b6c89d
Ubuntu Security Notice USN-6123-1
Posted May 31, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6123-1 - Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Reima Ishii discovered that the nested KVM implementation for Intel x86 processors in the Linux kernel did not properly validate control registers in certain situations. An attacker in a guest VM could use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, x86, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-1670, CVE-2023-2612, CVE-2023-26606, CVE-2023-30456, CVE-2023-32233
SHA-256 | df56b82df331c1c081d299856c697c2da2c9d8d15ef5390e9143271062bfb935
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-6033-1
Posted Apr 20, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6033-1 - 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. William Zhao discovered that the Traffic Control subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-4269, CVE-2023-1032, CVE-2023-1076, CVE-2023-1077, CVE-2023-1079, CVE-2023-1118, CVE-2023-1583, CVE-2023-1670, CVE-2023-1829, CVE-2023-1855, CVE-2023-1989, CVE-2023-1990, CVE-2023-1998, CVE-2023-25012
SHA-256 | 5a30980fd0cd1ca4d29c020630f7aeac282e7c27dca316f9119d20f043479ba7
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