Oracle Linux 8 : kernel (ELSA-2025-16919)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-16919 advisory. - netsched: hfsc: Fix a potential UAF in hfscdequeue too CKI Backport Bot RHEL-109847 CVE-2025-37797 - netsched: hfsc: Fix a UAF vulnerability in clas...

RHEL 8 : kernel (RHSA-2025:16919)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:16919 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: nfsd: don't ignore the return...

SUSE-SU-2025:03414-1 Security update for the Linux Kernel (Live Patch 55 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059198 fixes several issues. The following security issues were fixed: - CVE-2025-38177: schhfsc: make hfscqlennotify idempotent bsc1246356. - CVE-2025-38181: calipso: Fix null-ptr-deref in calipsoreqset,delattr bsc1246001. - CVE-2025-38498:...

RHEL 9 : kpatch-patch-5_14_0-570_17_1 (RHSA-2025:16538)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:16538 advisory. This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patc...

SUSE SLES15 Security Update : kernel (Live Patch 57 for SLE 15 SP3) (SUSE-SU-2025:03148-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:03148-1 advisory. This update for the Linux Kernel 5.3.18-15030059204 fixes several issues. The following security issues were fixed: - CVE-2025-21999: proc: fi...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabilit...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_6

This update for kernel-livepatch-MICRO-6-0-RTUpdate6 fixes the following issues: CVE-2025-37752: netsched: schsfq: move the limit validation bsc1245776 CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability in class handling bsc1245793 CVE-2025-21702: pfifotailenqueue: Drop new packet when...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_4

This update for kernel-livepatch-MICRO-6-0-RTUpdate4 fixes the following issues: CVE-2024-56664: bpf, sockmap: fix race between element replace and close bsc1235250 CVE-2025-37752: netsched: schsfq: move the limit validation bsc1245776 CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability in...

SUSE-SU-2025:20620-1 Security update for kernel-livepatch-MICRO-6-0-RT_Update_4

This update for kernel-livepatch-MICRO-6-0-RTUpdate4 fixes the following issues: - CVE-2024-56664: bpf, sockmap: fix race between element replace and close bsc1235250 - CVE-2025-37752: netsched: schsfq: move the limit validation bsc1245776 - CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability...

SUSE-SU-2025:20579-1 Security update for kernel-livepatch-MICRO-6-0-RT_Update_4

This update for kernel-livepatch-MICRO-6-0-RTUpdate4 fixes the following issues: - CVE-2024-56664: bpf, sockmap: fix race between element replace and close bsc1235250 - CVE-2025-37752: netsched: schsfq: move the limit validation bsc1245776 - CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability...

Security update for kernel-livepatch-MICRO-6-0_Update_5

This update for kernel-livepatch-MICRO-6-0Update5 fixes the following issues: CVE-2025-37752: netsched: schsfq: move the limit validation bsc1245776 CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability in class handling bsc1245793 CVE-2025-21702: pfifotailenqueue: Drop new packet when sch-limi...

Security update for kernel-livepatch-MICRO-6-0_Update_6

This update for kernel-livepatch-MICRO-6-0Update6 fixes the following issues: CVE-2025-37752: netsched: schsfq: move the limit validation bsc1245776 CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability in class handling bsc1245793 CVE-2025-21702: pfifotailenqueue: Drop new packet when sch-limi...

SUSE-SU-2025:20612-1 Security update for kernel-livepatch-MICRO-6-0_Update_5

This update for kernel-livepatch-MICRO-6-0Update5 fixes the following issues: - CVE-2025-37752: netsched: schsfq: move the limit validation bsc1245776 - CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability in class handling bsc1245793 - CVE-2025-21702: pfifotailenqueue: Drop new packet when...

SUSE-SU-2025:20611-1 Security update for kernel-livepatch-MICRO-6-0_Update_4

This update for kernel-livepatch-MICRO-6-0Update4 fixes the following issues: - CVE-2024-56664: bpf, sockmap: fix race between element replace and close bsc1235250 - CVE-2025-37752: netsched: schsfq: move the limit validation bsc1245776 - CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability in...

SUSE-SU-2025:02611-1 Security update for the Linux Kernel (Live Patch 38 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-15040024158 fixes several issues. The following security issues were fixed: - CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability in class handling bsc1245793. - CVE-2025-37752: netsched: schsfq: move the limit validation bsc1245776. - CVE-2024-53125:...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: schhfsc: Fix qlen accounting bug when using peek in hfscenqueue CVE-2025-38000 In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Address reentrant enqueue adding class to eltree...

CVE-2025-38001 net_sched: hfsc: Address reentrant enqueue adding class to eltree twice

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Address reentrant enqueue adding class to eltree twice Savino says: "We are writing to report that this recent patch 141d34391abbb315d68556b7c67ad97885407547 1 can be bypassed, and a UAF can still occur when HFSC ...

CVE-2025-37797

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-use condition in hfscchangeclass when...