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CVE-2021-44879

Status Candidate

Overview

In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.

Related Files

Ubuntu Security Notice USN-6716-1
Posted Mar 26, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6716-1 - Wenqing Liu discovered that the f2fs file system implementation in the Linux kernel did not properly validate inode types while performing garbage collection. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service. It was discovered that the DesignWare USB3 for Qualcomm SoCs driver in the Linux kernel did not properly handle certain error conditions during device registration. A local attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-44879, CVE-2023-22995, CVE-2023-23000, CVE-2023-23004, CVE-2023-4244, CVE-2023-51779, CVE-2023-51780, CVE-2023-51782, CVE-2023-6121, CVE-2024-0340, CVE-2024-1086, CVE-2024-24855
SHA-256 | ca7041e9e1eafaa437eb00fd772e3fc4d0224945b1c747de75266ab82a88c293
Ubuntu Security Notice USN-6681-4
Posted Mar 20, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6681-4 - Wenqing Liu discovered that the f2fs file system implementation in the Linux kernel did not properly validate inode types while performing garbage collection. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service. It was discovered that the DesignWare USB3 for Qualcomm SoCs driver in the Linux kernel did not properly handle certain error conditions during device registration. A local attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-44879, CVE-2023-22995, CVE-2023-4244, CVE-2023-51779, CVE-2023-51780, CVE-2023-51782, CVE-2023-6121, CVE-2024-0340
SHA-256 | 98ebd4a16df2d78e75466bb3de0b920f697988acf5ef14f0238d3ed664307487
Ubuntu Security Notice USN-6681-3
Posted Mar 14, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6681-3 - Wenqing Liu discovered that the f2fs file system implementation in the Linux kernel did not properly validate inode types while performing garbage collection. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service. It was discovered that the DesignWare USB3 for Qualcomm SoCs driver in the Linux kernel did not properly handle certain error conditions during device registration. A local attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-44879, CVE-2023-22995, CVE-2023-4244, CVE-2023-51779, CVE-2023-51780, CVE-2023-51782, CVE-2023-6121, CVE-2024-0340
SHA-256 | 0f6456a501a2a52790c93531be3acfce9cd0cea9e69c63498f9c5b2580aa219b
Ubuntu Security Notice USN-6681-2
Posted Mar 12, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6681-2 - Wenqing Liu discovered that the f2fs file system implementation in the Linux kernel did not properly validate inode types while performing garbage collection. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service. It was discovered that the DesignWare USB3 for Qualcomm SoCs driver in the Linux kernel did not properly handle certain error conditions during device registration. A local attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-44879, CVE-2023-22995, CVE-2023-4244, CVE-2023-51779, CVE-2023-51780, CVE-2023-51782, CVE-2023-6121, CVE-2024-0340
SHA-256 | 497cdba15e2474c05f61de47875a39a3f760923ca11ee79f7167211274bac41c
Ubuntu Security Notice USN-6681-1
Posted Mar 7, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6681-1 - Wenqing Liu discovered that the f2fs file system implementation in the Linux kernel did not properly validate inode types while performing garbage collection. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service. It was discovered that the DesignWare USB3 for Qualcomm SoCs driver in the Linux kernel did not properly handle certain error conditions during device registration. A local attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-44879, CVE-2023-22995, CVE-2023-4244, CVE-2023-51779, CVE-2023-51780, CVE-2023-51782, CVE-2023-6121, CVE-2024-0340
SHA-256 | e6207c1377c4c4662d23c4c6808627d6ca7ab8ee47c61e983d303f015693e726
Debian Security Advisory 5594-1
Posted Jan 3, 2024
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5594-1 - 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-2021-44879, CVE-2023-25775, CVE-2023-34324, CVE-2023-35827, CVE-2023-45863, CVE-2023-46813, CVE-2023-46862, CVE-2023-5178, CVE-2023-51780, CVE-2023-51781, CVE-2023-51782, CVE-2023-5197, CVE-2023-5717, CVE-2023-6121
SHA-256 | 14c6c74cd19f5de7ddf98f535462c89656d00f4606e765c1a9e334df63a6e08f
Ubuntu Security Notice USN-5383-1
Posted Apr 21, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5383-1 - David Bouman discovered that the netfilter subsystem in the Linux kernel did not properly validate passed user register indices. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Brendan Dolan-Gavitt discovered that the Marvell WiFi-Ex USB device driver in the Linux kernel did not properly handle some error conditions. A physically proximate attacker could use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-43976, CVE-2021-44879, CVE-2022-0617, CVE-2022-1015, CVE-2022-1016, CVE-2022-24448, CVE-2022-24959, CVE-2022-26878
SHA-256 | eecfaed66553cc5d738b54db0a55d0888c30e53ef8fb77f43aa53fd8250d7fb9
Ubuntu Security Notice USN-5302-1
Posted Feb 23, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5302-1 - Yiqi Sun and Kevin Wang discovered that the cgroups implementation in the Linux kernel did not properly restrict access to the cgroups v1 release_agent feature. A local attacker could use this to gain administrative privileges. Brendan Dolan-Gavitt discovered that the Marvell WiFi-Ex USB device driver in the Linux kernel did not properly handle some error conditions. A physically proximate attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-43976, CVE-2021-44879, CVE-2022-0435, CVE-2022-0492, CVE-2022-24448, CVE-2022-24959
SHA-256 | a96fe978ad5bcf24edf27c90f3fe7deb343f8adc79d5a6d6b20996efc0026905
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