CVE-2022-50861: high-severity vulnerability in Linux
NFSD: Finish converting the NFSv2 GETACL result encoder
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.6%
exploitation probability
0.6%top 54% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
NFSD: Finish converting the NFSv2 GETACL result encoder
The xdr_stream conversion inadvertently left some code that set the
page_len of the send buffer. The XDR stream encoders should handle
this automatically now.
This oversight adds garbage past the end of the Reply message.
Clients typically ignore the garbage, but NFSD does not need to send
it, as it leaks stale memory contents onto the wire.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
Linux · LinuxRelated CVEs — Linux
In the same product, most dangerous first.
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References
https://git.kernel.org/stable/c/2b825efb0577a32a872e872a869e0947cf9dd6d3https://git.kernel.org/stable/c/5030d4d2bf8b6f6f3d16401ab92a88bc5aa2377ahttps://git.kernel.org/stable/c/a20b0abab966a189a79aba6ebf41f59024a3224dhttps://git.kernel.org/stable/c/d5b867fd2d7f79630b1a2906a7bb4f4b75bf297ahttps://git.kernel.org/stable/c/ea5021e911d3479346a75ac9b7d9dcd751b0fb99