Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: 9p: Fixed the fid refcount leak in v9fsvfsgetlink. We now check for protocol versions that are later than required, after a fid has been obtained. Simply move the version check to an earlier stage...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021528)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021528 advisory. In the Linux kernel, the following vulnerability has been resolved: 9p: set req refcount to zero to avoid uninitialized usage When a new request is allocated, the...

Astra Linux - уязвимость в linux-5.15

In the Linux kernel, the following vulnerability has been resolved: net/9p: use a dedicated spinlock for transfd Shamelessly copying the explanation from Tetsuo Handa's suggested patch1 slightly reworded: syzbot is reporting inconsistent lock state in p9reqput2, for p9tagremove from p9reqput from...

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

In the Linux kernel, the following vulnerabilities have been resolved: net/9p: Fixed an issue related to uninit-value in p9clientrpc. Syzbot, with the help of KMSAN, reported the following errors: BUG: KMSAN: uninit-value in trace9pclientres, include/trace/events/9p.h:146 inline BUG: KMSAN:...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013739)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013739 advisory. In the Linux kernel, the following vulnerability has been resolved: net/9p: fix double req put in p9fdcancelled Syzkaller reports a KASAN issue as below: general...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007620)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007620 advisory. In the Linux kernel, the following vulnerability has been resolved: net/9p: fix double req put in p9fdcancelled Syzkaller reports a KASAN issue as below: general...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006629)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006629 advisory. In the Linux kernel, the following vulnerability has been resolved: net: 9p: fix refcount leak in p9readwork error handling p9reqput need to be called when...

Astra Linux - уязвимость в linux-6.12

In the Linux kernel, the following vulnerability has been resolved: 9p/transfd: p9fdrequest: kick rx thread if EPOLLIN p9readwork doesn't set Rworksched and doesn't do scheduleworkm-rq if listempty&m-reqlist. However, if the pipe is full, we need to read more data and this used to work prior to...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993034)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993034 advisory. In the Linux kernel, the following vulnerability has been resolved: net/9p: Fix a potential socket leak in p9socketopen Both p9fdcreatetcp and p9fdcreateunix will ca...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues were fixed: CVE-2022-50253: bpf: make sure skb-len != 0 when redirecting to a tunneling device bsc1249912. CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in...

Unity Linux 20.1050e Security Update: kernel (UTSA-2025-991140)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-991140 advisory. In the Linux kernel, the following vulnerability has been resolved: 9p/transfd: always use ONONBLOCK read/write syzbot is reporting hung task at p9fdclose 1, for...

EUVD-2025-201640

In the Linux kernel, the following vulnerability has been resolved: 9p/transfd: p9fdrequest: kick rx thread if EPOLLIN p9readwork doesn't set Rworksched and doesn't do scheduleworkm-rq if listempty&m-reqlist. However, if the pipe is full, we need to read more data and this used to work prior to...

CVE-2025-40305

In the Linux kernel, the following vulnerability has been resolved: 9p/transfd: p9fdrequest: kick rx thread if EPOLLIN p9readwork doesn't set Rworksched and doesn't do scheduleworkm-rq if listempty&m-reqlist. However, if the pipe is full, we need to read more data and this used to work prior to...

CVE-2025-40305

CVE-2025-40305 concerns Linux kernel 9p/trans_fd handling. Root cause: p9_fd_request relied on EPOLLOUT checks and wakeups via p9_pollwake/p9_poll_mux; after a pipe-read optimization, unnecessary wakeups were avoided by changing logic, reducing EPOLLIN-driven scheduling. The fix changes p9_fd_req...

CVE-2025-40305 9p/trans_fd: p9_fd_request: kick rx thread if EPOLLIN

In the Linux kernel, the following vulnerability has been resolved: 9p/transfd: p9fdrequest: kick rx thread if EPOLLIN p9readwork doesn't set Rworksched and doesn't do scheduleworkm-rq if listempty&m-reqlist. However, if the pipe is full, we need to read more data and this used to work prior to...

CVE-2025-40305 9p/trans_fd: p9_fd_request: kick rx thread if EPOLLIN

In the Linux kernel, the following vulnerability has been resolved: 9p/transfd: p9fdrequest: kick rx thread if EPOLLIN p9readwork doesn't set Rworksched and doesn't do scheduleworkm-rq if listempty&m-reqlist. However, if the pipe is full, we need to read more data and this used to work prior to...

SUSE CVE-2025-40027

In the Linux kernel, the following vulnerability has been resolved: net/9p: fix double req put in p9fdcancelled Syzkaller reports a KASAN issue as below: general protection fault, probably for non-canonical address 0xfbd59c0000000021: 0000 1 PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access...

CVE-2025-40027

In the Linux kernel, the following vulnerability has been resolved: net/9p: fix double req put in p9fdcancelled Syzkaller reports a KASAN issue as below: general protection fault, probably for non-canonical address 0xfbd59c0000000021: 0000 1 PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access...

CVE-2025-40027

In the Linux kernel, the following vulnerability has been resolved: net/9p: fix double req put in p9fdcancelled Syzkaller reports a KASAN issue as below: general protection fault, probably for non-canonical address 0xfbd59c0000000021: 0000 1 PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access...

AZL-68921 CVE-2025-40027 affecting package kernel for versions less than 6.6.112.1-2

In the Linux kernel, the following vulnerability has been resolved: net/9p: fix double req put in p9fdcancelled Syzkaller reports a KASAN issue as below: general protection fault, probably for non-canonical address 0xfbd59c0000000021: 0000 1 PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access...