The vulnerability of the p9_client_walk() function in the net/9p/client.c module of the 9P protocol implementation in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the p9clientwalk function in the net/9p/client.c module of the 9P protocol implementation in the Linux operating system is related to the dereferencing of a pointer whose validity period has expired. Exploiting this vulnerability allows an attacker to compromise the...

Linux kernel 9p: oldfid erroneously released in p9_client_walk() error path

In the Linux kernel, the following vulnerability has been resolved: 9p: avoid putting oldfid in p9clientwalk error path When p9clientwalk is called with clone set to false, fid aliases oldfid. If the walk subsequently fails after the request has been sent, the error path jumps to clunkfid, which...

9p: avoid putting oldfid in p9_client_walk() error path

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CVE-2026-63795: Use After Free

In the Linux kernel, the following vulnerability has been resolved: 9p: avoid putting oldfid in p9clientwalk error path When p9clientwalk is called with clone set to false, fid aliases oldfid. If the walk subsequently fails after the request has been sent, the error path jumps to clunkfid, which...