Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: block, bfq: fixed the UAF in bfqlimitdepth Setting the newly allocated bfqq to bic or removing freed bfqq from bic is both protected by bfqd-lock. However, bfqlimitdepth dereferences bfqq from bic without the lock, which can...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: block, bfq: Fixed an error of dividing by zero when the “wsum” is zero. When the weighted sum is zero, the calculation of the limit causes a division by zero error. This issue has been fixed by continuing to the next level of...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: The line “Revert “block, bfq: honor already-setup queue merges”” has been removed. A crash occurred in conjunction with the commit 2d52c58b9c9b “block, bfq: honor already-setup queue merges”. This issue was later corrected by the...

Astra Linux - уязвимость в linux-5.10, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: “block, bfq”: fixed a potential UAF issue related to “bfqq-bic” in “bicsetbfqq”. After the commit “64dc8c732f5c” “block, bfq: fix possible UAF for ‘bfqq-bic’”, “bic-bfqq” will be accessed in “bicsetbfqq”. However, in some context...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fixed a potential use-after-free UAF related to bfqq-bic in bfqexiticqbfqq. The commit 64dc8c732f5c “block, bfq: fixed a potential UAF for ‘bfqq-bic’” involves accessing bfqq-bic in bicsetbfqq. However, bfqexiticqbfqq...

Astra Linux - уязвимость в linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix wakerbfqq UAF after bfqsplitbfqq Our syzkaller reports a following UAF for v6.6: BUG: KASAN: slab-use-after-free in bfqinitrq+0x175d/0x17a0 block/bfq-iosched.c:6958 Read of size 8 at addr ffff8881b57147d8 by task...

Astra Linux - уязвимость в linux, linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: blk-cgroup: fixed a UAF vulnerability by acquiring the blkcg lock before destroying the blkg. KASAN reports a use-after-free issue during the fuzz test: 693354.104835...

Astra Linux - уязвимость в linux-5.10, linux-5.15, linux

In the Linux kernel, the following vulnerabilities have been resolved: block, bfq: do not move oombfqq Our test report a UAF: 2073.019181 ================================================================== 2073.019188 BUG: KASAN: use-after-free in bfqputbfqq+0xa0/0x168 2073.019191 Written a size 8...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010981)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010981 advisory. In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for bfqq in bfqexiticqbfqq Commit 64dc8c732f5c block, bfq: fix possible uaf f...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007569)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007569 advisory. In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd KASAN reports a use-after-fr...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005508)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005508 advisory. In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix possible UAF for bfqq-bic with merge chain 1 initial state, three tasks: Process ...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005006)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005006 advisory. In the Linux kernel, the following vulnerability has been resolved: block, bfq: don't move oombfqq Our test report a UAF: 2073.019181...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004076)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004076 advisory. An issue was discovered in the Linux kernel before 5.6.5. There is a use-after-free in block/bfq-iosched.c related to bfqidleslicetimerbody. Tenable has extracted th...

ROS-20260113-7387

A vulnerability in the bfqchoosereq function of the block/bfq-iosched.c module of the Linux kernel is related to the reuse of previously freed memory. Exploitation of the vulnerability may allow an intruder to affect confidentiality, integrity and availability of protected information...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000313)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000313 advisory. An issue was discovered in the Linux kernel before 5.6.5. There is a use-after-free in block/bfq-iosched.c related to bfqidleslicetimerbody. Tenable has extracted th...

SUSE CVE-2023-54242

In the Linux kernel, the following vulnerability has been resolved: block, bfq: Fix division by zero error on zero wsum When the weighted sum is zero the calculation of limit causes a division by zero error. Fix this by continuing to the next level. This was discovered by running as root: stress-...

EUVD-2023-60399

In the Linux kernel, the following vulnerability has been resolved: block, bfq: Fix division by zero error on zero wsum When the weighted sum is zero the calculation of limit causes a division by zero error. Fix this by continuing to the next level. This was discovered by running as root: stress-...

CVE-2023-54242 block, bfq: Fix division by zero error on zero wsum

In the Linux kernel, the following vulnerability has been resolved: block, bfq: Fix division by zero error on zero wsum When the weighted sum is zero the calculation of limit causes a division by zero error. Fix this by continuing to the next level. This was discovered by running as root: stress-...

Linux Distros Unpatched Vulnerability : CVE-2023-54242

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - block, bfq: Fix division by zero error on zero wsum When the weighted sum is zero the calculation of limit causes a division by zero error. Fix this by continui...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 kernel was updated to fix various security issues The following security issues were fixed: CVE-2022-50327: ACPI: processor: idle: Check acpifetchacpidev return value bsc1249859. CVE-2022-50334: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam bsc1249857...