Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “block, bfq”: fixed a potential UAF issue for “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 contexts,...

Astra Linux – Vulnerability in 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, calculating the limit causes a division by zero error. This issue has been fixed by proceeding to the next level of...

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-...

Security update for the Linux Kernel

The SUSE Linux Enterprise FIXME 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...

CVE-2022-50488 block, bfq: fix possible uaf for 'bfqq->bic'

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix possible uaf for 'bfqq-bic' Our test report a uaf for 'bfqq-bic' in 5.10: ================================================================== BUG: KASAN: use-after-free in bfqselectqueue+0x378/0xa30 CPU: 6 PID:...

SUSE SLES15 Security Update : kernel (Live Patch 29 for SLE 15 SP4) (SUSE-SU-2025:03175-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:03175-1 advisory. This update for the Linux Kernel 5.14.21-15040024128 fixes several issues. The following security issues were fixed: - CVE-2025-21999: proc: f...

SUSE-SU-2025:20782-1 Security update for kernel-livepatch-MICRO-6-0-RT_Update_2

This update for kernel-livepatch-MICRO-6-0-RTUpdate2 fixes the following issues: - CVE-2025-38087: net/sched: fix use-after-free in tapriodevnotifier bsc1245505 - CVE-2025-21999: proc: fix UAF in procgetinode bsc1242579 - CVE-2025-38001: netsched: hfsc: Address reentrant enqueue adding class to...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_3

This update for kernel-livepatch-MICRO-6-0-RTUpdate3 fixes the following issues: CVE-2025-38087: net/sched: fix use-after-free in tapriodevnotifier bsc1245505 CVE-2025-21999: proc: fix UAF in procgetinode bsc1242579 CVE-2025-38001: netsched: hfsc: Address reentrant enqueue adding class to eltree...

Security update for the Linux Kernel (Live Patch 31 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-15040024133 fixes several issues. The following security issues were fixed: CVE-2025-21999: proc: fix UAF in procgetinode bsc1242579. CVE-2022-49053: scsi: target: tcmu: Fix possible page UAF bsc1237930. CVE-2025-38001: netsched: hfsc: Address reentrant...

SUSE SLES15 Security Update : kernel RT (Live Patch 1 for SLE 15 SP6) (SUSE-SU-2025:03097-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:03097-1 advisory. This update for the Linux Kernel 6.4.0-150600105 fixes several issues. The following security issues were fixed: - CVE-2025-38087: net/sched:...

The vulnerability of the bfq_setup_merge() function in the block/bfq-iosched.c module exposes the block-level kernel support of the Linux operating system, allowing attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the bfqsetupmerge function in the block/bfq-iosched.c module related to Linux kernel’s block-level support involves the reutilization of previously freed memory. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity, and accessibilit...

Security update for the Linux Kernel (Live Patch 20 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005583 fixes several issues. The following security issues were fixed: CVE-2024-53146: NFSD: Prevent a potential integer overflow bsc1234854. CVE-2024-53214: vfio/pci: Properly hide first-in-list PCIe extended capability bsc1235005. CVE-2024-53173:...

Security update for the Linux Kernel (Live Patch 34 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-15040024144 fixes several issues. The following security issues were fixed: CVE-2024-53146: NFSD: Prevent a potential integer overflow bsc1234854. CVE-2022-49465: blk-throttle: Set BIOTHROTTLED when bio has been throttled bsc1238920. CVE-2024-53214:...

Security update for the Linux Kernel (Live Patch 32 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-15040024136 fixes several issues. The following security issues were fixed: CVE-2024-53146: NFSD: Prevent a potential integer overflow bsc1234854. CVE-2022-49465: blk-throttle: Set BIOTHROTTLED when bio has been throttled bsc1238920. CVE-2024-53214:...

Security update for the Linux Kernel (Live Patch 67 for SLE 12 SP5)

This update for the Linux Kernel 4.12.14-122255 fixes one issue. The following security issue was fixed: CVE-2022-49179: block, bfq: do not move oombfqq bsc1241331. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper...

SUSE-SU-2025:02135-1 Security update for the Linux Kernel (Live Patch 66 for SLE 12 SP5)

This update for the Linux Kernel 4.12.14-122250 fixes several issues. The following security issues were fixed: - CVE-2022-49545: ALSA: usb-audio: Cancel pending work at closing a MIDI substream bsc1238730. - CVE-2022-49179: block, bfq: do not move oombfqq bsc1241331...

SUSE-SU-2025:02101-1 Security update for the Linux Kernel (Live Patch 61 for SLE 12 SP5)

This update for the Linux Kernel 4.12.14-122231 fixes several issues. The following security issues were fixed: - CVE-2024-56601: net: inet: do not leave a dangling sk pointer in inetcreate bsc1235231. - CVE-2024-50279: dm cache: fix out-of-bounds access to the dirty bitset when resizing...

Security update for the Linux Kernel (Live Patch 57 for SLE 12 SP5)

This update for the Linux Kernel 4.12.14-122219 fixes several issues. The following security issues were fixed: CVE-2024-56601: net: inet: do not leave a dangling sk pointer in inetcreate bsc1235231. CVE-2024-50279: dm cache: fix out-of-bounds access to the dirty bitset when resizing bsc1233708...

Security update for the Linux Kernel (Live Patch 59 for SLE 12 SP5)

This update for the Linux Kernel 4.12.14-122225 fixes several issues. The following security issues were fixed: CVE-2024-56601: net: inet: do not leave a dangling sk pointer in inetcreate bsc1235231. CVE-2024-50279: dm cache: fix out-of-bounds access to the dirty bitset when resizing bsc1233708...