CVE-2021-46945 ext4: always panic when errors=panic is specified

In the Linux kernel, the following vulnerability has been resolved: ext4: always panic when errors=panic is specified Before commit 014c9caa29d3 "ext4: make ext4abort use ext4error", the following series of commands would trigger a panic: 1. mount /dev/sda -o ro,errors=panic test 2. mount /dev/sd...

CVE-2021-46945 ext4: always panic when errors=panic is specified

In the Linux kernel, the following vulnerability has been resolved: ext4: always panic when errors=panic is specified Before commit 014c9caa29d3 "ext4: make ext4abort use ext4error", the following series of commands would trigger a panic: 1. mount /dev/sda -o ro,errors=panic test 2. mount /dev/sd...

CVE-2021-46945

CVE-2021-46945 concerns the Linux kernel ext4 filesystem. The vulnerability causes a kernel panic when the filesystem is mounted with errors=panic, prior to a specific commit. After the patch 014c9caa29d3, remounting a filesystem with abort no longer panics, and the behavior is restored to what i...

CVE-2021-46933 usb: gadget: f_fs: Clear ffs_eventfd in ffs_data_clear.

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Clear ffseventfd in ffsdataclear. ffsdataclear is indirectly called from both ffsfskillsb and ffsep0release, so it ends up being called twice when userland closes ep0 and then unmounts ffs. If userland provided ...

SUSE CVE-2024-26601

In the Linux kernel, the following vulnerability has been resolved: ext4: regenerate buddy after block freeing failed if under fc replay This mostly reverts commit 6bd97bf273bd "ext4: remove redundant mbregeneratebuddy" and reintroduces mbregeneratebuddy. Based on code in mbfreeblocks, fast commi...

CVE-2021-46945: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: always panic when errors=panic is specified Before commit 014c9caa29d3 "ext4: make ext4abort use ext4error", the following series of commands would trigger a panic: 1. mount /dev/sda -o ro,errors=panic test 2. mount /dev/sd...

PT-2024-11064 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A issue in the Linux kernel has been resolved, specifically related to the ext4 file system. The fix addresses a check to prevent false positive reports of incorrect used inodes...

DEBIAN-CVE-2024-26601

In the Linux kernel, the following vulnerability has been resolved: ext4: regenerate buddy after block freeing failed if under fc replay This mostly reverts commit 6bd97bf273bd "ext4: remove redundant mbregeneratebuddy" and reintroduces mbregeneratebuddy. Based on code in mbfreeblocks, fast commi...

CVE-2024-26601

In the Linux kernel, the following vulnerability has been resolved: ext4: regenerate buddy after block freeing failed if under fc replay This mostly reverts commit 6bd97bf273bd "ext4: remove redundant mbregeneratebuddy" and reintroduces mbregeneratebuddy. Based on code in mbfreeblocks, fast commi...

UBUNTU-CVE-2024-26601

In the Linux kernel, the following vulnerability has been resolved: ext4: regenerate buddy after block freeing failed if under fc replay This mostly reverts commit 6bd97bf273bd "ext4: remove redundant mbregeneratebuddy" and reintroduces mbregeneratebuddy. Based on code in mbfreeblocks, fast commi...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: ext4: regenerate buddy after block freeing failed if under fc replay This mostly reverts commit 6bd97bf273bd "ext4: remove redundant mbregeneratebuddy" and reintroduces mbregeneratebuddy. Based on code in mbfreeblocks, fast commi...

CVE-2024-26601

In the Linux kernel, the following vulnerability has been resolved: ext4: regenerate buddy after block freeing failed if under fc replay This mostly reverts commit 6bd97bf273bd "ext4: remove redundant mbregeneratebuddy" and reintroduces mbregeneratebuddy. Based on code in mbfreeblocks, fast commi...

CVE-2024-26601

A flaw was found in the Linux kernel's ext4 filesystem related to the fast commit replay process. During this process, blocks that are already marked as free can be incorrectly marked as free again, leading to the corruption of the buddy bitmap, which is used to track free and allocated blocks...

CVE-2024-26601 ext4: regenerate buddy after block freeing failed if under fc replay

In the Linux kernel, the following vulnerability has been resolved: ext4: regenerate buddy after block freeing failed if under fc replay This mostly reverts commit 6bd97bf273bd "ext4: remove redundant mbregeneratebuddy" and reintroduces mbregeneratebuddy. Based on code in mbfreeblocks, fast commi...

CVE-2024-26601

CVE-2024-26601 is a Linux kernel vulnerability in the ext4 block allocator. The issue arises when a fast commit replay causes mb_free_blocks() to mark blocks as free that are already free, corrupting the buddy bitmap. The fix reintroduces mb_regenerate_buddy() and regenerates the buddy after a bl...

CVE-2024-26601 ext4: regenerate buddy after block freeing failed if under fc replay

In the Linux kernel, the following vulnerability has been resolved: ext4: regenerate buddy after block freeing failed if under fc replay This mostly reverts commit 6bd97bf273bd "ext4: remove redundant mbregeneratebuddy" and reintroduces mbregeneratebuddy. Based on code in mbfreeblocks, fast commi...

CVE-2024-26601

In the Linux kernel, the following vulnerability has been resolved: ext4: regenerate buddy after block freeing failed if under fc replay This mostly reverts commit 6bd97bf273bd "ext4: remove redundant mbregeneratebuddy" and reintroduces mbregeneratebuddy. Based on code in mbfreeblocks, fast commi...

CVE-2024-26601 ext4: regenerate buddy after block freeing failed if under fc replay

In the Linux kernel, the following vulnerability has been resolved: ext4: regenerate buddy after block freeing failed if under fc replay This mostly reverts commit 6bd97bf273bd "ext4: remove redundant mbregeneratebuddy" and reintroduces mbregeneratebuddy. Based on code in mbfreeblocks, fast commi...

Linux Kernel Security Vulnerability

The Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux Kernel, which stems from a security vulnerability in ext4...

CVE-2024-26601: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: regenerate buddy after block freeing failed if under fc replay This mostly reverts commit 6bd97bf273bd "ext4: remove redundant mbregeneratebuddy" and reintroduces mbregeneratebuddy. Based on code in mbfreeblocks, fast commi...