kernel: ext4: fix mb_cache_entry's e_refcnt leak in ext4_xattr_block_cache_find()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix mbcacheentry's erefcnt leak in ext4xattrblockcachefind Syzbot reports a warning as follows: ============================================ WARNING: CPU: 0 PID: 5075 at fs/mbcache.c:419 mbcachedestroy+0x224/0x290 Modules...

kernel: ext4: avoid online resizing failures due to oversized flex bg

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid online resizing failures due to oversized flex bg When we online resize an ext4 filesystem with a oversized flexbgsize, mkfs.ext4 -F -G 67108864 $dev -b 4096 100M mount $dev $dir resize2fs $dev 16G the following WARNO...

kernel: ext4: fix mb_cache_entry's e_refcnt leak in ext4_xattr_block_cache_find()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix mbcacheentry's erefcnt leak in ext4xattrblockcachefind Syzbot reports a warning as follows: ============================================ WARNING: CPU: 0 PID: 5075 at fs/mbcache.c:419 mbcachedestroy+0x224/0x290 Modules...

kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()

A vulnerability was found in the ext4mbfindbygoal function in the Linux kernel. This issue could lead to memory corruption or crashes due to the allocation of blocks from a group with a corrupted block bitmap...

kernel: ext4: fix double-free of blocks due to wrong extents moved_len

A vulnerability was found in the Linux kernel. This issue occurs in the ext4 function, in ext4moveextents, where an error in updating the movedlen variable can lead to double-free of blocks and corrupt block accounting. This could lead to crashes or undefined behavior...

kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found()

A vulnerability was found in the ext4mbtrybestfound function in the Linux kernel. This issue could lead to memory corruption or crashes due to the allocation of blocks from a group with a corrupted block bitmap...

CVE-2024-42257: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: use memtostrpad for svolumename As with the other strings in struct ext4superblock, svolumename is not NUL terminated. The other strings were marked in commit 072ebb3bffe6 "ext4: add nonstring annotations to ext4.h". Using...

RHEL 8 : kernel (RHSA-2024:5101)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:5101 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: powerpc: Fix access beyond end...

RHEL 8 : kernel-rt (RHSA-2024:5102)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:5102 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

ALSA-2024:5102 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: efivarfs: force RO when remounting if SetVariable is not supported CVE-2023-52463 kernel: tracing: Restructure traceclockglobal to...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: powerpc: Fix access beyond end of drmem array CVE-2023-52451 kernel: efivarfs: force RO when remounting if SetVariable is not supported CVE-2023-52463 kernel: tracing: Restructure...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-6951-1)

"The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6951-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

kernel: ext4: regenerate buddy after block freeing failed if under fc replay

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...

RHEL 9 : kernel (RHSA-2024:5066)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:5066 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: block: null pointer dereferenc...

CLSA-2024-1722977984 kernel: Fix of 16 CVEs

ima: Fix use-after-free on a dentry's dname.name CVE-2024-39494 - ima: define imamaxdigestdata struct without a flexible array variable - ima: detect changes to the backing overlay file - tcp: Use refcountincnotzero in tcptwskunique. CVE-2024-36904 - afunix: Fix garbage collector racing against...

CLSA-2024-1722977546 kernel: Fix of 15 CVEs

ima: Fix use-after-free on a dentry's dname.name CVE-2024-39494 - ima: define imamaxdigestdata struct without a flexible array variable - ima: detect changes to the backing overlay file - tcp: Use refcountincnotzero in tcptwskunique. CVE-2024-36904 - afunix: Fix garbage collector racing against...

USN-6895-4: Linux kernel vulnerabilities

It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2023-6270 It was discovered that the HugeTLB file syst...

Ubuntu 22.04 LTS : Linux kernel vulnerabilities (USN-6895-4)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6895-4 advisory. It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An...

kernel security update

An update is available for kernel. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

Oracle Linux 9 : kernel (ELSA-2024-4928)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-4928 advisory. - mlxbfgige: call requestirq after NAPI initialized Kamal Heib RHEL-43012 RHEL-37179 CVE-2024-35907 - mlxbfgige: stop PHY during open error paths Kamal...