kernel: ext4: avoid journaling sb update on error if journal is destroying

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid journaling sb update on error if journal is destroying Presently we always BUGON if trying to start a transaction on a journal marked with JBD2UNMOUNT, since this should never happen. However, while ltp running stress...

kernel: ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix out-of-bound read in ext4xattrinodedecrefall There's issue as follows: BUG: KASAN: use-after-free in ext4xattrinodedecrefall+0x6ff/0x790 Read of size 4 at addr ffff88807b003000 by task syz-executor.0/15172 CPU: 3 PID:...

CVE-2025-38357

In the Linux kernel, the following vulnerability has been resolved: fuse: fix runtime warning on truncatefoliobatchexceptionals The WARNONONCE is introduced on truncatefoliobatchexceptionals to capture whether the filesystem has removed all DAX entries or not. And the fix has been applied on the...

UBUNTU-CVE-2025-38357

In the Linux kernel, the following vulnerability has been resolved: fuse: fix runtime warning on truncatefoliobatchexceptionals The WARNONONCE is introduced on truncatefoliobatchexceptionals to capture whether the filesystem has removed all DAX entries or not. And the fix has been applied on the...

CLSA-2025-1753298962 kernel: Fix of 13 CVEs

udf: Fix a slab-out-of-bounds write bug in udffindentry CVE-2022-49846 - net: atm: fix use after free in lecsend CVE-2025-22004 - ovl: fix UAF in ovldentryupdatereval by moving dput in ovllinkup CVE-2025-21887 - rcutorture: Fix ksoftirqd boosting timing and iteration CVE-2022-50177 - tty: ngsm:...

CLSA-2025-1753298759 kernel: Fix of 18 CVEs

udf: Fix a slab-out-of-bounds write bug in udffindentry CVE-2022-49846 - Bluetooth: hcisync: Fix queuing commands when HCIUNREGISTER is set CVE-2022-49136 - Bluetooth: Fix use after free in hcisendacl CVE-2022-49111 - NFSv4/pnfs: Fix a use-after-free bug in open CVE-2022-50072 - NFSv4: Don't hold...

kernel: ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix out-of-bound read in ext4xattrinodedecrefall There's issue as follows: BUG: KASAN: use-after-free in ext4xattrinodedecrefall+0x6ff/0x790 Read of size 4 at addr ffff88807b003000 by task syz-executor.0/15172 CPU: 3 PID:...

kernel: ext4: fix off-by-one error in do_split

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in dosplit Syzkaller detected a use-after-free issue in ext4insertdentry that was caused by out-of-bounds access due to incorrect splitting in dosplit. BUG: KASAN: use-after-free in...

kernel: ext4: fix off-by-one error in do_split

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in dosplit Syzkaller detected a use-after-free issue in ext4insertdentry that was caused by out-of-bounds access due to incorrect splitting in dosplit. BUG: KASAN: use-after-free in...

USN-7654-4 linux-kvm vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - PA-RISC architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; -...

CLSA-2025-1753085842 Fix of 10 CVEs

CVE-url: https://ubuntu.com/security/CVE-2024-46787 - userfaultfd: fix checks for huge PMDs CVE-url: https://ubuntu.com/security/CVE-2025-37798 - schhtb: make htbqlennotify idempotent - schdrr: make drrqlennotify idempotent - schhfsc: make hfscqlennotify idempotent - schqfq: make qfqqlennotify...

USN-7654-3 linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - PA-RISC architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; -...

USN-7654-2 linux-intel-iot-realtime, linux-realtime vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - PA-RISC architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; -...

PT-2025-33778

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a flaw within the ext4 filesystem implementation. Specifically, a use-after-free issue can occur in the ext4 end io rsv work function. This is due to...

PT-2025-35974

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw where a maliciously fuzzed file system can trigger a BUG ON in the ext4 update inline data function when an inode has the INLINE DATA FL flag set but is...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2023-52888: media: mediatek: vcodec: Only free buffer VA that is not NULL bsc1228557. CVE-2024-49568: net/smc: check v2extoffset/eidcnt/ismgidcnt when receiving...

kernel: ext4: fix off-by-one error in do_split

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in dosplit Syzkaller detected a use-after-free issue in ext4insertdentry that was caused by out-of-bounds access due to incorrect splitting in dosplit. BUG: KASAN: use-after-free in...

kernel: ext4: ignore xattrs past end

A use-after-free vulnerability has been discovered in the Linux kernel, specifically within the ext4xattrinodedecrefall function related to the ext4 filesystem's extended attributes. An attacker could exploit this flaw by providing a specially crafted payload, leading to a denial of service...

kernel: ext4: ignore xattrs past end

A use-after-free vulnerability has been discovered in the Linux kernel, specifically within the ext4xattrinodedecrefall function related to the ext4 filesystem's extended attributes. An attacker could exploit this flaw by providing a specially crafted payload, leading to a denial of service...

kernel: ext4: fix off-by-one error in do_split

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in dosplit Syzkaller detected a use-after-free issue in ext4insertdentry that was caused by out-of-bounds access due to incorrect splitting in dosplit. BUG: KASAN: use-after-free in...