Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: jfs: Verify the inode mode when loading from disk. The inode mode loaded from a corrupted disk may be invalid. Do as described in the commit 0a9e74051313 “isofs: Verify the inode mode when loading from disk”...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the JFS filesystem code within the Linux kernel, which allows a local attacker to cause the system to panic by enabling the ability to set extended attributes. This can lead to memory corruption or an escalation of privileges. The most significant threat posed by this...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: fix shift-out-of-bounds in dbAllocAG Syzbot identified a crash issue: UBSAN: shift-out-of-bounds in dbAllocAG. The underlying bug lies in the lack of a check on bmp-dbagl2size. This field can be larger than 64, leading t...

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

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed a slab-out-of-bounds Read in dtSearch Currently, when searching for the current page in the sorted entry table of the page, there is an out-of-bound access. A bound check has been added to fix this error. Dave: The...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an overflow in the nlink function of the jfs file system’s jfsrename function. This vulnerability may...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007559)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007559 advisory. In the Linux kernel, the following vulnerability has been resolved: fs: jfs: Fix UBSAN: array-index-out-of-bounds in dbAllocDmapLev Syzkaller reported the following...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005537)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005537 advisory. In the Linux kernel, the following vulnerability has been resolved: jfs: check if leafidx greater than num leaves per dmap tree syzbot report a out of bounds in...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992780)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992780 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Prevent integer overflow in AG size calculation The JFS filesystem calculates allocation...

CVE-2023-54127

The CVE-2023-54127 issue concerns the Linux kernel JFS file system. A double-free can occur in the dbUnmount path after a failed jfs_remount, triggered via the slab allocator during KASAN reporting. Specifically, the description notes that JFS_SBI(ipbmap->i_sb)->bmap wasn’t set to NULL afte...

CVE-2023-54127 fs/jfs: prevent double-free in dbUnmount() after failed jfs_remount()

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: prevent double-free in dbUnmount after failed jfsremount Syzkaller reported the following issue: ================================================================== BUG: KASAN: double-free in slabfree mm/slub.c:3787 inline...

USN-7940-1: Linux kernel (Azure FIPS) vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

EUVD-2025-203728

In the Linux kernel, the following vulnerability has been resolved: jfs: fix uninitialized waitqueue in transaction manager The transaction manager initialization in txInit was not properly initializing TxBlock0.waitor waitqueue, causing a crash when txEnd0 is called on read-only filesystems. Whe...

UBUNTU-CVE-2025-68168

In the Linux kernel, the following vulnerability has been resolved: jfs: fix uninitialized waitqueue in transaction manager The transaction manager initialization in txInit was not properly initializing TxBlock0.waitor waitqueue, causing a crash when txEnd0 is called on read-only filesystems. Whe...

CVE-2025-40312

In the Linux kernel, the following vulnerability has been resolved: jfs: Verify inode mode when loading from disk The inode mode loaded from corrupted disk can be invalid. Do like what commit 0a9e74051313 "isofs: Verify inode mode when loading from disk" does...

CVE-2023-53766

CVE-2023-53766 relates to the Linux kernel, specifically the JFS filesystem. A patch adds a check in txBegin to verify a read-only mounted filesystem before starting a transaction, potentially preventing a NULL pointer dereference. The remediation is a kernel patch (Linux kernel, JFS code path) t...

CVE-2023-53766

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Check for read-only mounted filesystem in txBegin This patch adds a check for read-only mounted filesystem in txBegin before starting a transaction potentially saving from NULL pointer deref...

CVE-2025-40312 jfs: Verify inode mode when loading from disk

In the Linux kernel, the following vulnerability has been resolved: jfs: Verify inode mode when loading from disk The inode mode loaded from corrupted disk can be invalid. Do like what commit 0a9e74051313 "isofs: Verify inode mode when loading from disk" does...

USN-7911-1 linux 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: - SCSI subsystem; - JFS file system; CVE-2023-52975, CVE-2024-56596...

USN-7887-1 linux-raspi-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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

USN-7835-6 linux-aws-6.8 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...