SUSE CVE-2026-45957

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcureadunlock deadloop due to softirq Commit 5f5fa7ea89dc "rcu: Don't use negative nesting depth in rcureadunlock" removes the recursion-protection code from rcureadunlock. Therefore, we could invoke the deadloop in...

CVE-2026-45957

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcureadunlock deadloop due to softirq Commit 5f5fa7ea89dc "rcu: Don't use negative nesting depth in rcureadunlock" removes the recursion-protection code from rcureadunlock. Therefore, we could invoke the deadloop in...

UBUNTU-CVE-2026-45957

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcureadunlock deadloop due to softirq Commit 5f5fa7ea89dc "rcu: Don't use negative nesting depth in rcureadunlock" removes the recursion-protection code from rcureadunlock. Therefore, we could invoke the deadloop in...

CVE-2026-45957 rcu: Fix rcu_read_unlock() deadloop due to softirq

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcureadunlock deadloop due to softirq Commit 5f5fa7ea89dc "rcu: Don't use negative nesting depth in rcureadunlock" removes the recursion-protection code from rcureadunlock. Therefore, we could invoke the deadloop in...

CVE-2026-45957

CVE-2026-45957 affects the Linux kernel where removing recursion-protection from __rcu_read_unlock() can cause a deadloop when raise_softirq_irqoff() is invoked with ftrace enabled during rcu_read_unlock_special(). The issue, observed as a deadlock trace in trace.c, was fixed by commits that refo...

PT-2026-43824

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcu read unlock deadloop due to softirq Commit 5f5fa7ea89dc "rcu: Don't use negative nesting depth in rcu read unlock" removes the recursion-protection code from rcu read unlock. Therefore, we could invoke the deadloop i...

CLSA-2026-1779434490 kernel: Fix of 100 CVEs

tracing: Verify event formats that have "%p.." CVE-2025-37938 - HID: pidff: Fix null pointer dereference in pidfffindfields CVE-2025-37862 - scsi: st: Fix array overflow in stsetup CVE-2025-37857 - drm/amdkfd: debugfs hanghws skip GPU with MES CVE-2025-37853 - mm/vmscan: don't try to reclaim...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Fixed a use-after-free issue for dynamic ftraceops. KASAN reported a use-after-free with ftrace ops 1. It was discovered that perf had registered two ops with the same content, both being dynamic. After unregistering t...

Astra Linux - уязвимость в linux, linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: The length check that causes memory corruption was corrected. We have experienced severe kernel crashes due to memory corruption in our production environment. For example: Call Trace: 1640542.554277 General protectio...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: Tracing: Limit access to parser-buffer when tracegetuser fails. When the length of the string written to setftracefilter exceeds FTRACEBUFFMAX, the following KASAN alarm will be triggered: BUG: KASAN: Slab-out-of-bounds in...

Astra Linux - уязвимость в linux-6.1, linux-5.10, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: In the ftrace function, a potential warning was fixed in traceprintkseq during ftracedump. When ftracedumpone is called concurrently with reading from tracepipe, a WARNONONCE message can be triggered due to a race condition. The...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: riscv: ftrace: Fixed a panic issue by disabling preemption. In RISCV, we must use an AUIPC + JALR pair to encode an immediate jump, creating a jump to an address beyond 4K. This may cause errors if we want to enable kernel...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Clean up the hash of directfunctions in case of register failures. The following GPF errors occur when registerftracedirect fails: General protection fault, likely for non-canonical addresses \ 0x200000000000010: 0000 ...

Astra Linux - уязвимость в linux-5.10, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: ftrace: Fixed invalid address access in lookuprec when the index is 0. KASAN reported the following issue: BUG: KASAN: use-after-free in lookuprec A read of size 8 at address ffff000199270ff0 was performed by the task modprobe...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Do not over-allocate ftrace memory The calculation of pgremaining in ftraceprocesslocs assumes that ENTRIESPERPAGE multiplied by 2^order equals the actual capacity of the allocated page group. However, ENTRIESPERPAGE i...

Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerability has been resolved: ftrace: A null pointer dereference occurred in ftraceaddmod. The @ftracemod is allocated using kzalloc, so both members prev, next of @ftracemode-list are NULL. This is a valid situation for calling listdel. If kstrdup for...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: The crash in timerlatdumpstack has been fixed. We have observed kernel panics when using timerlat with stack saving, with the following dmesg output: memcpy: detected buffer overflow: 88 bytes written to a buffer...

Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerability has been resolved: ftrace: The soft lockup issue in ftracemoduleenable has been fixed. A soft lockup was observed when loading the amdgpu module. If a module contains many functions that can be traced, multiple calls to kallsymslookup may spend too...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021557)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021557 advisory. In the Linux kernel, the following vulnerability has been resolved: kprobes: Fix check for probe enabled in killkprobe In killkprobe, the check whether...

kernel: ftrace: Fix UAF when lookup kallsym after ftrace disabled

In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix UAF when lookup kallsym after ftrace disabled The following issue happens with a buggy module: BUG: unable to handle page fault for address: ffffffffc05d0218 PGD 1bd66f067 P4D 1bd66f067 PUD 1bd671067 PMD 101808067 PTE...