PT-2022-35787 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v4.19.262 Description: A null pointer dereference issue was discovered in the ext4 write info function. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel...

PT-2022-35134 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.3 Description: The issue is related to a potential dir corruption in ext4 when the ext4 dx add entry function fails. The actual impact and attack plausibility have not yet been proven. Recommendations: For...

kernel: use-after-free and memory errors in ext4 when mounting and operating on a corrupted image

A use-after-free flaw was found in fs/ext4/namei.c:dxinsertblock in the Linux kernel’s filesystem sub-component. This flaw allows a local attacker with a user privilege to cause a denial of service...

kernel: ext4: fix bug_on in ext4_writepages

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in ext4writepages we got issue as follows: EXT4-fs error device loop0: ext4mbgeneratebuddy:1141: group 0, block bitmap and bg descriptor inconsistent: 25 vs 31513 free cls ------------ cut here ------------ kernel...

kernel: ext4: fix use-after-free in ext4_rename_dir_prepare

In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free in ext4renamedirprepare We got issue as follows: EXT4-fs loop0: mounted filesystem without journal. Opts: ,errors=continue ext4getfirstdirblock: bh-bdata=0xffff88810bee6000 len=34478 ext4getfirstdirblock:...

kernel: ext4: avoid cycles in directory h-tree

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid cycles in directory h-tree A maliciously corrupted filesystem can contain cycles in the h-tree stored inside a directory. That can easily lead to the kernel corrupting tree nodes that were already verified under its...

kernel: ext4: add reserved GDT blocks check

A flaw was found in the ext4 module in the Linux kernel. Resizing a corrupt ext4 image can cause a NULL pointer dereference due to a missing check if the reserved GDT blocks is zero when the resizeinode feature is disabled, resulting in a denial of service...

kernel: ext4: fix bug_on ext4_mb_use_inode_pa

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon ext4mbuseinodepa Hulk Robot reported a BUGON: ================================================================== kernel BUG at fs/ext4/mballoc.c:3211! ... RIP: 0010:ext4mbmarkdiskspaceused.cold+0x85/0x136f ... Cal...

kernel: use-after-free and memory errors in ext4 when mounting and operating on a corrupted image

A use-after-free flaw was found in fs/ext4/namei.c:dxinsertblock in the Linux kernel’s filesystem sub-component. This flaw allows a local attacker with a user privilege to cause a denial of service...

RLSA-2022:7720 Moderate: e2fsprogs security and bug fix update

The e2fsprogs packages provide a number of utilities for creating, checking, modifying, and correcting the ext2, ext3, and ext4 file systems. Security Fixes: e2fsprogs: out-of-bounds read/write via crafted filesystem CVE-2022-1304 For more details about the security issues, including the impact, ...

ALSA-2022:7720 Moderate: e2fsprogs security and bug fix update

The e2fsprogs packages provide a number of utilities for creating, checking, modifying, and correcting the ext2, ext3, and ext4 file systems. Security Fixes: e2fsprogs: out-of-bounds read/write via crafted filesystem CVE-2022-1304 For more details about the security issues, including the impact, ...

Moderate: e2fsprogs security and bug fix update

The e2fsprogs packages provide a number of utilities for creating, checking, modifying, and correcting the ext2, ext3, and ext4 file systems. Security Fixes: e2fsprogs: out-of-bounds read/write via crafted filesystem CVE-2022-1304 For more details about the security issues, including the impact, ...

OESA-2022-2015 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A use-after-free flaw was found in fs/ext4/namei.c:dxinsertblock in the Linux kernel’s filesystem sub-component. This flaw allows a local attacker with a user privilege to cause a denial of service.CVE-2022-1184 A race condition...

[SECURITY] [DSA 5257-1] linux security update

------------------------------------------------------------------------- Debian Security Advisory DSA-5257-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso October 18, 2022 https://www.debian.org/security/faq -...

OESA-2022-1991 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A use-after-free flaw was found in fs/ext4/namei.c:dxinsertblock in the Linux kernel’s filesystem sub-component. This flaw allows a local attacker with a user privilege to cause a denial of service.CVE-2022-1184 An issue was...

OESA-2022-1985 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A use-after-free flaw was found in fs/ext4/namei.c:dxinsertblock in the Linux kernel’s filesystem sub-component. This flaw allows a local attacker with a user privilege to cause a denial of service.CVE-2022-1184 An issue was...

GSD-2022-1006596 ext4: fix bug in extents parsing when eh_entries == 0 and eh_depth > 0

ext4: fix bug in extents parsing when ehentries == 0 and ehdepth 0 This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.215 by commit...

GSD-2022-1006577 ext4: fix bug in extents parsing when eh_entries == 0 and eh_depth > 0

ext4: fix bug in extents parsing when ehentries == 0 and ehdepth 0 This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.146 by commit...

GSD-2022-1006547 ext4: fix bug in extents parsing when eh_entries == 0 and eh_depth > 0

ext4: fix bug in extents parsing when ehentries == 0 and ehdepth 0 This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.71 by commit...

GSD-2022-1006503 ext4: fix bug in extents parsing when eh_entries == 0 and eh_depth > 0

ext4: fix bug in extents parsing when ehentries == 0 and ehdepth 0 This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.19.12 by commit...