Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Improved error handling for ext4dirhash The ext4dirhash function almost never fails, especially since the “hash tree” feature was first introduced. However, with the addition of support for encrypted, case-folded file names...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ext4: fixed an issue where the buffer of extents was freed twice. In ext4exttrytomergeup, the path1.pbh was set to NULL after it was released. Otherwise, it might be released twice. An example of what triggers this is as...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix for accessing an uninitialized lock in the fc replay path. The following kernel trace can be triggered with fstest generic/629 when executed against a filesystem with the fast-commit feature enabled: INFO: Trying to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: fixed a warning in ext4iomapbegin due to a race between bmap and write The issue occurs as follows: ------------ cut here ------------ WARNING: CPU: 3 PID: 9310 at fs/ext4/inode.c:3441 ext4iomapbegin+0x182/0x5d0 RIP:...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed a double-free of blocks due to incorrect movedlen values during extent movements. In ext4moveextents, movedlen is updated only when all movements are successfully executed. It also discards preallocations of originode...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix for null-ptr-deref in ext4writeinfo I identified a bug involving null-ptr-deref as follows: ========================================== KASAN: null-ptr-deref in range 0x0000000000000068-0x000000000000006f CPU: 1 PID: 158...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: memory leaks have been fixed in ext4fnamesetupfilename,preparelookup. If filename case-folding fails, memory will be leaked from the fscryptname structure, specifically from the 'cryptobuf.name' member. Make sure that this...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not create EA inodes under the buffer lock The ext4xattrsetentry function creates new EA inodes while holding the buffer lock on the external xattr block. This is problematic because all allocation-related locking...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Allow ext4getgroupinfo to fail. Previously, ext4getgroupinfo would treat an invalid group number as a BUG, since this should theoretically never happen. However, if a malicious attacker modifies the superblock via the block...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Turn quotas off if mount fails after enabling quotas Yi discovered during a review of the patch “ext4: Don’t report errors with inconsistent journal features” that when ext4markrecoverycomplete returns an error value, the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Remove ppath from ext4extreplayupdateex to avoid double-free. When calling ext4forcesplitextentat&ppath in ext4extreplayupdateex, ppath is updated, but it is path that is freed. This potentially triggers a double-free in th...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: fixed a race condition between ext4write and ext4convertinlinedata Hulk Robot reported a BUG: ================================================================== EXT4-fs error device loop3: ext4mbgeneratebuddy:805: group 0,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: inline: fix len overflow in ext4prepareInlinedata When running the following code on an ext4 filesystem with the inlinedata feature enabled, the following bug will occur. fd = open"file1", ORDWR | OCREAT | OTRUNC, 0666;...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid allocating blocks from a group with a corrupted block bitmap in ext4mbtrybestfound. Determine whether the group block bitmap is corrupted before using acbex in ext4mbtrybestfound to prevent allocating blocks from a...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid allocating blocks from a corrupted group in ext4mbfindbygoal. The logic for checking whether the block bitmap of the group is corrupted is now placed under the protection of the group lock, thereby avoiding the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: jbd2: Prevent softlockup in jbd2logdocheckpoint. Both jbd2logdocheckpoint and jbd2journalshrinkcheckpointlist periodically release the jlistlock after processing a batch of buffers to avoid long hold times on the jlistlock...

AlmaLinux 10 : kernel (ALSA-2026:72624)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:72624 advisory. kernel: KVM: nSVM: Raise UD if unhandled VMMCALL isn't intercepted by L1 CVE-2026-46076 kernel: ext4: fix e4b bitmap inconsistency reports CVE-2026-4594...

Oracle Linux 10 : kernel (ELSA-2026-72624)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-72624 advisory. - perf: Reject exited events as group leaders Anubhav Shelat RHEL-258812 CVE-2026-74753 - perf/core: Detach event groups during removeonexec Anubhav...

Rocky Linux 10.2 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2026_72624)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202672624 advisory. kernel: KVM: nSVM: Raise UD if unhandled VMMCALL isn't intercepted by L1 CVE-2026-46076 kernel: ext4: fix e4b bitmap inconsistency reports CVE-2026-459...

Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crlsa-2026_72468)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202672468 advisory. kernel: fbcon: Set fbdisplayi-mode to NULL when the mode is released CVE-2025-40323 kernel: ext4: fix e4b bitmap inconsistency reports CVE-2026-45942...