CVE-2022-50356 net: sched: sfb: fix null pointer access issue when sfb_init() fails

In the Linux kernel, the following vulnerability has been resolved: net: sched: sfb: fix null pointer access issue when sfbinit fails When the default qdisc is sfb, if the qdisc of devqueue fails to be inited during mqprioinit, sfbreset is invoked to clear resources. In this case, the q-qdisc is...

SUSE SLES15 Security Update : kernel (Live Patch 10 for SLE 15 SP6) (SUSE-SU-2025:03212-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:03212-1 advisory. This update for the Linux Kernel 6.4.0-1506002347 fixes several issues. The following security issues were fixed: - CVE-2025-38087: net/sched:...

SUSE-SU-2025:03235-1 Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-1506002342 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-2025:03226-1 Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-1506002325 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: Make cake_enqueue return NET_XMIT_CN when past buffer_limit

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SUSE-SU-2025:03179-1 Security update for the Linux Kernel (Live Patch 39 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-15040024161 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:...

CVE-2025-39766 net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit

In the Linux kernel, the following vulnerability has been resolved: net/sched: Make cakeenqueue return NETXMITCN when past bufferlimit The following setup can trigger a WARNING in htbactivate due to the condition: !cl-leaf.q-q.qlen tc qdisc del dev lo root tc qdisc add dev lo root handle 1: htb...

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 eltree...

Security update for kernel-livepatch-MICRO-6-0_Update_8

This update for kernel-livepatch-MICRO-6-0Update8 fixes the following issues: CVE-2025-38087: net/sched: fix use-after-free in tapriodevnotifier bsc1245505 CVE-2025-38001: netsched: hfsc: Address reentrant enqueue adding class to eltree twice bsc1244235 CVE-2025-38000: schhfsc: Fix qlen accountin...

SUSE-SU-2025:20702-1 Security update for kernel-livepatch-MICRO-6-0_Update_8

This update for kernel-livepatch-MICRO-6-0Update8 fixes the following issues: - CVE-2025-38087: net/sched: fix use-after-free in tapriodevnotifier bsc1245505 - CVE-2025-38001: netsched: hfsc: Address reentrant enqueue adding class to eltree twice bsc1244235 - CVE-2025-38000: schhfsc: Fix qlen...

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:...

EulerOS 2.0 SP9 : kernel (EulerOS-SA-2025-2118)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : net: sched: Disallow replacing of child qdisc from one parent to anotherCVE-2025-21700 Tenable has extracted the preceding description block...

Security update for the Linux Kernel RT (Live Patch 4 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-1506001014 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...

kernel: net/sched: Always pass notifications when child class becomes empty

A use-after-free UAF vulnerability was found in the Linux kernel's net/sched subsystem, specifically in the Credit-Based Shaper CBS qdisc implementation schcbs. The vulnerability occurs because the CBS qdisc's reset function qdiscresetqueue only resets its internal queue but fails to reset its...

RockyLinux 8 : kernel (RLSA-2025:15008)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:15008 advisory. kernel: RDMA/iwcm: Fix use-after-free of work objects after cmid destruction CVE-2025-38211 kernel: scsi: lpfc: Use memcpy for BIOS version CVE-2025-383...

net/sched: Return NULL when htb_lookup_leaf encounters an empty rbtree

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Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: netsched: hfsc: Fix a potential UAF in hfscdequeue too CVE-2025-37823 kernel: i40e: fix MMIO write access to an invalid page in i40eclearhw CVE-2025-38200 kernel: RDMA/iwcm: Fix...

ALSA-2025:15008 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: RDMA/iwcm: Fix use-after-free of work objects after cmid destruction CVE-2025-38211 kernel: scsi: lpfc: Use memcpy for BIOS version CVE-2025-38332 kernel: tipc: Fix use-after-free in...

RHEL 8 : kernel (RHSA-2025:14692)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:14692 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: peakusb: fix use after...

SUSE-SU-2025:20676-1 Security update for kernel-livepatch-MICRO-6-0_Update_8

This update for kernel-livepatch-MICRO-6-0Update8 fixes the following issues: - CVE-2025-38079: crypto: algifhash - fix double free in hashaccept bsc1245218 - CVE-2025-38083: netsched: prio: fix a race in priotune bsc1245350 - CVE-2025-38494: HID: core: do not bypass hidhwrawrequest bsc1247350 -...