CVE-2026-23105 net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag

In the Linux kernel, the following vulnerability has been resolved: net/sched: qfq: Use clisactive to determine whether class is active in qfqrmfromag This is more of a preventive patch to make the code more consistent and to prevent possible exploits that employ child qlen manipulations on qfq...

CVE-2026-23105 net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag

In the Linux kernel, the following vulnerability has been resolved: net/sched: qfq: Use clisactive to determine whether class is active in qfqrmfromag This is more of a preventive patch to make the code more consistent and to prevent possible exploits that employ child qlen manipulations on qfq...

CVE-2026-23074 net/sched: Enforce that teql can only be used as root qdisc

In the Linux kernel, the following vulnerability has been resolved: net/sched: Enforce that teql can only be used as root qdisc Design intent of teql is that it is only supposed to be used as root qdisc. We need to check for that constraint. Although not important, I will describe the scenario th...

CVE-2026-23074 net/sched: Enforce that teql can only be used as root qdisc

In the Linux kernel, the following vulnerability has been resolved: net/sched: Enforce that teql can only be used as root qdisc Design intent of teql is that it is only supposed to be used as root qdisc. We need to check for that constraint. Although not important, I will describe the scenario th...

CVE-2026-23064 net/sched: act_ife: avoid possible NULL deref

In the Linux kernel, the following vulnerability has been resolved: net/sched: actife: avoid possible NULL deref tcfifeencode must make sure ifeencode does not return NULL. syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1 SMP KASAN NOP...

Security update for the Linux Kernel

The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2021-47633: ath5k: fix OOB in ath5keepromreadpcalinfo5111 bsc1237768. CVE-2022-49545: ALSA: usb-audio: Cancel pending work at closing a MIDI substream bsc1238729...

Linux Distros Unpatched Vulnerability : CVE-2026-23064

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: actife: avoid possible NULL deref tcfifeencode must make sure ifeencode does not return NULL. syzbot reported: Oops: general protection fault, probab...

kernel security update

5.14.0-611.27.1 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug:...

ALSA-2026:1690 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: irqchip/gic-v2m use-after-free vulnerability CVE-2025-37819 kernel: RDMA/core: Fix "KASAN: slab-use-after-free Read in ibregisterdevice" problem CVE-2025-38022 kernel: Linux...

kernel security update

3.10.0-1160.119.1.0.15 - Bluetooth: L2CAP: fix use-after-free in l2capconndel CVE-2022-3640 Orabug: 38742878 - Bluetooth: L2CAP: Fix use-after-free caused by l2capchanput Orabug: 38742878 - Bluetooth: L2CAP: Fix user-after-free CVE-2022-50386 Orabug: 38742878 - wifi: brcmfmac: fix use-after-free...

CVE-2026-22999

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: do not free existing class in qfqchangeclass Fixes qfqchangeclass error case. cl-qdisc and cl should only be freed if a new class and qdisc were allocated, or we risk various UAF...

UBUNTU-CVE-2026-22999

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: do not free existing class in qfqchangeclass Fixes qfqchangeclass error case. cl-qdisc and cl should only be freed if a new class and qdisc were allocated, or we risk various UAF...

CVE-2026-22999 net/sched: sch_qfq: do not free existing class in qfq_change_class()

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: do not free existing class in qfqchangeclass Fixes qfqchangeclass error case. cl-qdisc and cl should only be freed if a new class and qdisc were allocated, or we risk various UAF...

CVE-2026-22987 net/sched: act_api: avoid dereferencing ERR_PTR in tcf_idrinfo_destroy

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: avoid dereferencing ERRPTR in tcfidrinfodestroy syzbot reported a crash in tcactinhw during netns teardown where tcfidrinfodestroy passed an ERRPTR-EBUSY value as a tcaction pointer, leading to an invalid...

CVE-2026-22987

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: avoid dereferencing ERRPTR in tcfidrinfodestroy syzbot reported a crash in tcactinhw during netns teardown where tcfidrinfodestroy passed an ERRPTR-EBUSY value as a tcaction pointer, leading to an invalid...

Azure Linux 3.0 Security Update: kernel (CVE-2024-57996)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-57996 advisory. - In the Linux kernel, the following vulnerability has been resolved: netsched: schsfq: don't allow 1 packet...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38115)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38115 advisory. - In the Linux kernel, the following vulnerability has been resolved: netsched: schsfq: fix a potential crash ...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38107)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38107 advisory. - In the Linux kernel, the following vulnerability has been resolved: netsched: ets: fix a race in...

Azure Linux 3.0 Security Update: kernel (CVE-2025-37913)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-37913 advisory. - In the Linux kernel, the following vulnerability has been resolved: netsched: qfq: Fix double list add in...

CVE-2026-22976

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix NULL deref when deactivating inactive aggregate in qfqreset qfqclass-leafqdisc-q.qlen 0 does not imply that the class itself is active. Two qfqclass objects may point to the same leafqdisc. This happens whe...