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

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Added a check for the negative value of dbl2nbperpage. l2nbperpage is log2number of blks per page, and the minimum legal value should be 0, not negative. If l2nbperpage is negative, an error will occur when it is...

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

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

CVE-2023-54127: Undefined Security Weakness

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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990514)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990514 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add check for negative dbl2nbperpage l2nbperpage is log2number of blks per page, and the...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989758)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989758 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add check for negative dbl2nbperpage l2nbperpage is log2number of blks per page, and the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989007)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989007 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add check for negative dbl2nbperpage l2nbperpage is log2number of blks per page, and the...

CVE-2022-50567: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: fix shift-out-of-bounds in dbAllocAG Syzbot found a crash : UBSAN: shift-out-of-bounds in dbAllocAG. The underlying bug is the missing check of bmp-dbagl2size. The field can be greater than 64 and trigger the...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986294)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986294 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add check for negative dbl2nbperpage l2nbperpage is log2number of blks per page, and the...

CVE-2023-53485: Improper Validation of Array Index

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 issue: UBSAN: array-index-out-of-bounds in fs/jfs/jfsdmap.c:1965:6 index -84 is out of range for type 's8341' aka 'signed char341'...

CVE-2022-50333: Out-of-bounds Read

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: fix shift-out-of-bounds in dbDiscardAG This should be applied to most URSAN bugs found recently by syzbot, by guarding the dbMount. As syzbot feeding rubbish into the bmap descriptor...

PT-2025-27978

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.13.0-rc6 Description: A concurrency bug in the fs/jfs module results in a null pointer dereference. The issue is closely related to a previously fixed problem, but the accepted patch is still susceptible to a...

CVE-2024-58095: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: jfs: add check read-only before txBeginAnon call Added a read-only check before calling txBeginAnon in extAlloc and extRecord. This prevents modification attempts on a read-only mounted filesystem, avoiding potential errors or...

ROS-20241119-01

A vulnerability in the ath11k component of the SUNRPC kernel of the Linux system is related to use-after-use errors release in the rpcclntremovepipedir and rpcsetuppipedir functions in net/sunrpc/clnt.c. Exploitation of the vulnerability could allow an attacker to escalate privileges on the syste...

CVE-2023-52810

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add check for negative dbl2nbperpage l2nbperpage is log2number of blks per page, and the minimum legal value should be 0, not negative. In the case of l2nbperpage being negative, an error will occur when subsequently used...

CVE-2023-52804

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add validity check for dbmaxag and dbagpref Both dbmaxag and dbagpref are used as the index of the dbagfree array, but there is currently no validity check for dbmaxag and dbagpref, which can lead to errors. The following...

CVE-2023-52810

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add check for negative dbl2nbperpage l2nbperpage is log2number of blks per page, and the minimum legal value should be 0, not negative. In the case of l2nbperpage being negative, an error will occur when subsequently used...

CVE-2023-52804

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add validity check for dbmaxag and dbagpref Both dbmaxag and dbagpref are used as the index of the dbagfree array, but there is currently no validity check for dbmaxag and dbagpref, which can lead to errors. The following...

CVE-2023-52804

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add validity check for dbmaxag and dbagpref Both dbmaxag and dbagpref are used as the index of the dbagfree array, but there is currently no validity check for dbmaxag and dbagpref, which can lead to errors. The following...

CVE-2023-52810

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add check for negative dbl2nbperpage l2nbperpage is log2number of blks per page, and the minimum legal value should be 0, not negative. In the case of l2nbperpage being negative, an error will occur when subsequently used...

CVE-2023-52810

CVE-2023-52810 refers to a Linux kernel issue in fs/jfs where l2nbperpage could become negative, causing a shift-out-of-bounds UBSAN failure in jfs_dmap.c. Reports indicate UBSAN: shift-out-of-bounds with shift exponent -16777216 and that the fix adds a validity check for negative db_l2nbperpage ...