CVE-2022-49316: medium-severity vulnerability in Linux
NFSv4: Don't hold the layoutget locks across multiple RPC calls
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.2%
In the Linux kernel, the following vulnerability has been resolved:
NFSv4: Don't hold the layoutget locks across multiple RPC calls
When doing layoutget as part of the open() compound, we have to be
careful to release the layout locks before we can call any further RPC
calls, such as setattr(). The reason is that those calls could trigger
a recall, which could deadlock.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Linux · LinuxRelated CVEs — Linux
In the same product, most dangerous first.
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References
https://git.kernel.org/stable/c/08d7a26d115cc7892668baa9750f64bd8baca29bhttps://git.kernel.org/stable/c/0ee5b9644f06b4d3cdcd9544f43f63312e425a4chttps://git.kernel.org/stable/c/6949493884fe88500de4af182588e071cf1544eehttps://git.kernel.org/stable/c/6b3fc1496e7227cd6a39a80bbfb7588ef7c7a010https://git.kernel.org/stable/c/a2b3be930e79cc5d9d829f158e31172b2043f0cdhttps://git.kernel.org/stable/c/d4c2a041ed3ba114502d5ed6ace5b1a48d637a8ehttps://git.kernel.org/stable/c/ea759ae0a9ae5acee677d722129710ac89cc59c1