PT-2025-44094

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.1.134-syzkaller-00037-g855bd1d7d838 Description The 9p filesystem client in the Linux kernel contained a race condition where the req list could be deleted simultaneously by both the p9 read work and p9 fd...

9p/net: fix improper handling of bogus negative read/write replies

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SUSE CVE-2022-50114

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 m-rreq-rc.sdata is NULL to avoid temporary refcount leak. Dominique: commit wording adjustments, p9reqput argument fixes for rebase...

DEBIAN-CVE-2022-50114

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 m-rreq-rc.sdata is NULL to avoid temporary refcount leak. Dominique: commit wording adjustments, p9reqput argument fixes for rebase...

CVE-2022-50114

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 m-rreq-rc.sdata is NULL to avoid temporary refcount leak. Dominique: commit wording adjustments, p9reqput argument fixes for rebase...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the 9p network protocol not releasing a request in the p9readwork error handling, which could lead to a...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fs/9p: Fixed the issue of NULL pointer dereferencing when using mkdir. When a 9p tree was mounted with the posixacl option, the parent directory had a default ACL set for its subdirectories. For example: setfacl -m...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: 9p/net: fixed improper handling of bogus negative read/write responses. In p9clientwrite and p9clientreadonce, if the server incorrectly responds with a success message but a negative write/read count, then we would consider...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-48933: netfilter: nftables: fix memory leak during stateful obj update bsc1229621. CVE-2022-49110: netfilter: conntrack: revisit gc autotuning bsc1237981...

SUSE-SU-2025:01640-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-48933: netfilter: nftables: fix memory leak during stateful obj update bsc1229621. - CVE-2022-49110: netfilter: conntrack: revisit gc autotuning...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-48933: netfilter: nftables: fix memory leak during stateful obj update bsc1229621. CVE-2022-49110: netfilter: conntrack: revisit gc autotuning bsc1237981...

SUSE CVE-2022-49767

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 p9muxpollstop from p9conndestroy from p9fdclose is failing to interrupt already started kernelread from p9fdread from p9readwork and/or...

SUSE CVE-2025-37879

In the Linux kernel, the following vulnerability has been resolved: 9p/net: fix improper handling of bogus negative read/write replies In p9clientwrite and p9clientreadonce, if the server incorrectly replies with success but a negative write/read count then we would consider written negative 3...

AZL-70153 CVE-2025-37879 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: 9p/net: fix improper handling of bogus negative read/write replies In p9clientwrite and p9clientreadonce, if the server incorrectly replies with success but a negative write/read count then we would consider written negative 3...

DEBIAN-CVE-2025-37879

In the Linux kernel, the following vulnerability has been resolved: 9p/net: fix improper handling of bogus negative read/write replies In p9clientwrite and p9clientreadonce, if the server incorrectly replies with success but a negative write/read count then we would consider written negative 3...

UBUNTU-CVE-2025-37879

In the Linux kernel, the following vulnerability has been resolved: 9p/net: fix improper handling of bogus negative read/write replies In p9clientwrite and p9clientreadonce, if the server incorrectly replies with success but a negative write/read count then we would consider written negative 3...

SUSE CVE-2022-49768

In the Linux kernel, the following vulnerability has been resolved: 9p: transfd/p9conncancel: drop client lock earlier syzbot reported a double-lock here and we no longer need this lock after requests have been moved off to local list: just drop the lock earlier...

SUSE CVE-2022-49765

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...

DEBIAN-CVE-2022-49767

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 p9muxpollstop from p9conndestroy from p9fdclose is failing to interrupt already started kernelread from p9fdread from p9readwork and/or...

DEBIAN-CVE-2022-49768

In the Linux kernel, the following vulnerability has been resolved: 9p: transfd/p9conncancel: drop client lock earlier syzbot reported a double-lock here and we no longer need this lock after requests have been moved off to local list: just drop the lock earlier...