PT-2026-39053

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the sched ext component where the scx enable function can suffer from starvation during the READY to ENABLED task switching loop. This occurs because the calling...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the zerovruntime tracking fix in sched/fair. This vulnerability may lead to abnormal task...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which arises from the possibility that scxenable may be infinitely starved during fair class saturation, leading to syst...

PT-2026-51874

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A crash can occur when a newly forked sched entity enters the fair class with se-rel deadline unexpectedly set. This happens because the sched fork function fails to clear rel deadline...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013504)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013504 advisory. In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for bfqq in bfqexiticqbfqq Commit 64dc8c732f5c block, bfq: fix possible uaf f...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-007026)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007026 advisory. 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:...

net/sched: sch_hfsc: fix divide-by-zero in rtsc_min()

...

CVE-2026-31423

A flaw was found in the Linux kernel's Hierarchical Fair Service Curve HFSC network scheduler. When processing specific large input values, a calculation error can cause a variable to be truncated to zero. This zero value is then used as a divisor, leading to a divide-by-zero error and a system...

UBUNTU-CVE-2026-31423

In the Linux kernel, the following vulnerability has been resolved: net/sched: schhfsc: fix divide-by-zero in rtscmin m2sm converts a u32 slope to a u64 scaled value. For large inputs e.g. m1=4000000000, the result can reach 2^32. rtscmin stores the difference of two such u64 values in a u32...

kernel: Fix of 5 CVEs

net/sched: schhfsc: upgrade 'rt' to 'sc' when it becomes a inner curve CVE-2023-4623 - net/sched: Enforce that teql can only be used as root qdisc CVE-2026-23074 - ALSA: usb-audio: Fix use-after-free in sndusbmixerfree CVE-2026-23089 - atm: atmtcp: Prevent arbitrary write in atmtcprecvcontrol...

SUSE-SU-2026:21074-1 Security update for the Linux Kernel (Live Patch 11 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-34.1 fixes various security issues The following security issues were fixed: - CVE-2025-39973: i40e: add validation for ringlen param bsc1252036. - CVE-2025-40018: ipvs: Defer ipvsftp unregister during netns cleanup bsc1252689. -...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005704)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005704 advisory. In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Address reentrant enqueue adding class to eltree twice Savino says: We are writin...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005810)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005810 advisory. In the Linux kernel, the following vulnerability has been resolved: schhfsc: Fix qlen accounting bug when using peek in hfscenqueue When enqueuing the first packet t...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005505)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005505 advisory. In the Linux kernel, the following vulnerability has been resolved: sched/fair: Don't balance task to its current running CPU We've run into the case that the balanc...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005710)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005710 advisory. In the Linux kernel, the following vulnerability has been resolved: sched/fair: Don't balance task to its current running CPU We've run into the case that the balanc...

kernel: ip6_vti: fix slab-use-after-free in decode_session6

A use-after-free vulnerability was found in the IPv6 VTI Virtual Tunnel Interface implementation in the Linux kernel. When an IPv6 VTI device uses the SFB Stochastic Fair Blue qdisc, the control block cb field of an skb can be modified during packet enqueuing. The decodesession6 function then rea...

kernel: ip6_vti: fix slab-use-after-free in decode_session6

A use-after-free vulnerability was found in the IPv6 VTI Virtual Tunnel Interface implementation in the Linux kernel. When an IPv6 VTI device uses the SFB Stochastic Fair Blue qdisc, the control block cb field of an skb can be modified during packet enqueuing. The decodesession6 function then rea...

kernel: ip6_vti: fix slab-use-after-free in decode_session6

A use-after-free vulnerability was found in the IPv6 VTI Virtual Tunnel Interface implementation in the Linux kernel. When an IPv6 VTI device uses the SFB Stochastic Fair Blue qdisc, the control block cb field of an skb can be modified during packet enqueuing. The decodesession6 function then rea...

kernel: ip6_vti: fix slab-use-after-free in decode_session6

A use-after-free vulnerability was found in the IPv6 VTI Virtual Tunnel Interface implementation in the Linux kernel. When an IPv6 VTI device uses the SFB Stochastic Fair Blue qdisc, the control block cb field of an skb can be modified during packet enqueuing. The decodesession6 function then rea...

The vulnerability of the load_balance() function in the kernel/sched/fair.c module of the Linux operating system’s resource management support module allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the loadbalance function in the kernel/sched/fair.c module of the Linux operating system’s resource management support module is related to state management errors. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...