SUSE-SU-2025:20775-1 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-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...

SUSE-SU-2025:20698-1 Security update for kernel-livepatch-MICRO-6-0_Update_3

This update for kernel-livepatch-MICRO-6-0Update3 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 eltr...

Security update for kernel-livepatch-MICRO-6-0_Update_4

This update for kernel-livepatch-MICRO-6-0Update4 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 twi...

SUSE-SU-2025:20763-1 Security update for kernel-livepatch-MICRO-6-0_Update_4

This update for kernel-livepatch-MICRO-6-0Update4 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 eltr...

SUSE-SU-2025:20761-1 Security update for kernel-livepatch-MICRO-6-0_Update_6

This update for kernel-livepatch-MICRO-6-0Update6 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 eltr...

SUSE-SU-2025:03165-1 Security update for the Linux Kernel (Live Patch 37 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-15040024153 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...

kernel: net_sched: ets: Fix double list add in class with netem as child qdisc

A use-after-free vulnerability was found in the Linux kernel’s netem qdisc. This issue occurs when it incorrectly manages duplicated packets in classful parent qdiscs. This leads to a corrupted internal state and eventual dereferencing of freed memory, resulting in unpredictable behavior, system...

Security update for the Linux Kernel (Live Patch 57 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059204 fixes several issues. The following security issues were fixed: CVE-2025-21999: proc: fix UAF in procgetinode bsc1242579. CVE-2025-38001: netsched: hfsc: Address reentrant enqueue adding class to eltree twice bsc1244235. CVE-2025-38000: schhfsc:...

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-2025-21999: 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-SU-2025:03133-1 Security update for the Linux Kernel (Live Patch 50 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059182 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 reentra...

Security update for the Linux Kernel RT (Live Patch 7 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-1506001023 fixes several issues. The following security issues were fixed: CVE-2025-38087: net/sched: fix use-after-free in tapriodevnotifier bsc1245504. CVE-2025-21999: proc: fix UAF in procgetinode bsc1242579. CVE-2025-38001: netsched: hfsc: Address...

SUSE-SU-2025:03106-1 Security update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP7)

This update for the Linux Kernel 6.4.0-1507005 fixes several issues. The following security issues were fixed: - CVE-2025-38087: net/sched: fix use-after-free in tapriodevnotifier bsc1245504. - CVE-2025-38001: netsched: hfsc: Address reentrant enqueue adding class to eltree twice bsc1244235. -...

SUSE-SU-2025:03100-1 Security update for the Linux Kernel RT (Live Patch 6 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-1506001020 fixes several issues. The following security issues were fixed: - CVE-2025-38087: net/sched: fix use-after-free in tapriodevnotifier bsc1245504. - CVE-2025-21999: proc: fix UAF in procgetinode bsc1242579. - CVE-2025-38001: netsched: hfsc: Address...

SUSE-SU-2025:03097-1 Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-150600105 fixes several issues. The following security issues were fixed: - CVE-2025-38087: net/sched: fix use-after-free in tapriodevnotifier bsc1245504 . - CVE-2025-21999: proc: fix UAF in procgetinode bsc1242579. - CVE-2025-38001: netsched: hfsc: Address...

net/sched: Restrict conditions for adding duplicating netems to qdisc tree

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kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice

A use-after-free UAF vulnerability, which also presents a potential infinite loop condition, has been resolved in the Linux kernel. This flaw affects the HFSC Hierarchical Fair Service Curve queuing discipline when it is used in conjunction with NETEM Network Emulation. A malicious user could...

kernel: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc

A use-after-free vulnerability has been identified in the Linux kernel's HFSC Hierarchical Fair Service Curve queuing discipline when it is configured with NETEM Network Emulation as a child. This flaw can lead to a kernel panic or crash due to incorrect assumptions about the queue state...

Linux Distros Unpatched Vulnerability : CVE-2025-38553

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: Restrict conditions for adding duplicating netems to qdisc tree netemenqueue's duplication prevention logic breaks when a netem resides in a qdisc tr...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice

A use-after-free UAF vulnerability, which also presents a potential infinite loop condition, has been resolved in the Linux kernel. This flaw affects the HFSC Hierarchical Fair Service Curve queuing discipline when it is used in conjunction with NETEM Network Emulation. A malicious user could...