Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002830)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002830 advisory. The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service use-after-free or possibly have...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001802)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001802 advisory. The 1 BPFSANCNLATTR and 2 BPFSANCNLATTRNEST extension implementations in the skrunfilter function in net/core/filter.c in the Linux kernel through 3.14.3 do not chec...

CVE-2025-71129 LoongArch: BPF: Sign extend kfunc call arguments

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign extend kfunc call arguments The kfunc calls are native calls so they should follow LoongArch calling conventions. Sign extend its arguments properly to avoid kernel panic. This is done by adding a new...

CVE-2025-71129 LoongArch: BPF: Sign extend kfunc call arguments

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign extend kfunc call arguments The kfunc calls are native calls so they should follow LoongArch calling conventions. Sign extend its arguments properly to avoid kernel panic. This is done by adding a new...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000882)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000882 advisory. The replacemapfdwithmapptr function in kernel/bpf/verifier.c in the Linux kernel before 4.5.5 does not properly maintain an fd data structure, which allows local use...

Astra Linux - уязвимость в linux-6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: Tell memcg to use allowspinning=false path in bpftimerinit Currently, calling bpfmapkmallocnode from bpfasyncinit can cause various locking issues; see the following stack trace edited for style as one example: ... 10.011566...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: Enforce expectedattachtype for tailcall compatibility Yinhao et al. recently reported: Our fuzzer tool discovered an uninitialized pointer issue in the bpfprogtestrunxdp function within the Linux kernel’s BPF subsystem. This...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: BPF: Rejects negative offsets for ALU operations When verifying BPF programs, the checkaluop function validates instructions that involve ALU operations. The “offset” field in these instructions is a signed 16-bit integer. The...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed an out-of-bounds dynptr write in bpfcryptocrypt. Stanislav reported that in bpfcryptocrypt, the size of the destination dynptr is not validated to be at least as large as the size of the source dynptr before calling th...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: Accounting for the currently allocated stack depth in widenimprecisescalars The usage pattern of widenimprecisescalars is as follows: python prevst = findpreventryenv, ...; queuedst = pushstack...; widenimprecisescalarsenv,...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: In the bpf module, it was necessary to check whether the helper function is valid in gethelperproto. The kernel test robot reported a bug related to the verifier 1, where the helper function pointer could be NULL due to a disable...

ROS-20260113-7364

A vulnerability in the checkhelpermemaccess function of the kernel/bpf/verifier.c module of the Linux operating system kernel is related to bugs in the code . Exploitation of the vulnerability could allow an attacker to affect the integrity and availability of protected information...

ROS-20260113-7328

A vulnerability in the checkfuncarg function of the kernel/bpf/verifier.c module of the Linux kernel is related to improper control of resource identifiers "resource injection". Exploitation of the vulnerability may allow an intruder to affect confidentiality, integrity and availability of...

K000159060: Linux kernel vulnerability CVE-2024-56615

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: bpf: fix OOB devmap writes when deleting elements Jordy reported issue against XSKMAP which also applies to DEVMAP - the index used for accessing map entry, due to being a signed integer, causes the...

ROS-20260112-7354

A vulnerability in the PROGNAME function of the kernel/bpf/core.c module of the Linux kernel is related to the use of an uninitialized resource. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000300)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000300 advisory. kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of...

PT-2026-4494

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference count leak exists in the bpf prog test run xdp function within the Linux kernel. The issue stems from an error handling path introduced by commit 1c1949982524, which failed t...

PT-2026-27684

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a use-after-free issue in the bpf trampoline link cgroup shim function. The root cause is a race condition where a resource is released but may still be...

PT-2026-26576

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists between the perf event overflow function and perf remove from context. The issue occurs because perf event overflow may run with only preemption disabled instead ...

CVE-2023-54181

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix issue in verifying allowptrleaks After we converted the capabilities of our networking-bpf program from capsysadmin to capnetadmin+capbpf, our networking-bpf program failed to start. Because it failed the bpf verifier, a...