Vulnerability Details CVE-2024-35882
In the Linux kernel, the following vulnerability has been resolved:
SUNRPC: Fix a slow server-side memory leak with RPC-over-TCP
Jan Schunk reports that his small NFS servers suffer from memory
exhaustion after just a few days. A bisect shows that commit
e18e157bb5c8 ("SUNRPC: Send RPC message on TCP with a single
sock_sendmsg() call") is the first bad commit.
That commit assumed that sock_sendmsg() releases all the pages in
the underlying bio_vec array, but the reality is that it doesn't.
svc_xprt_release() releases the rqst's response pages, but the
record marker page fragment isn't one of those, so it is never
released.
This is a narrow fix that can be applied to stable kernels. A
more extensive fix is in the works.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 3.0%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2024-35882
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cpe:2.3:o:linux:linux_kernel:6.6
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cpe:2.3:o:linux:linux_kernel:6.6.1
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cpe:2.3:o:linux:linux_kernel:6.6.10
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cpe:2.3:o:linux:linux_kernel:6.6.11
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cpe:2.3:o:linux:linux_kernel:6.6.12
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cpe:2.3:o:linux:linux_kernel:6.6.13
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cpe:2.3:o:linux:linux_kernel:6.6.14
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cpe:2.3:o:linux:linux_kernel:6.6.15
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cpe:2.3:o:linux:linux_kernel:6.6.16
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cpe:2.3:o:linux:linux_kernel:6.6.17
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cpe:2.3:o:linux:linux_kernel:6.6.18
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cpe:2.3:o:linux:linux_kernel:6.6.19
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cpe:2.3:o:linux:linux_kernel:6.6.2
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cpe:2.3:o:linux:linux_kernel:6.6.20
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cpe:2.3:o:linux:linux_kernel:6.6.21
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cpe:2.3:o:linux:linux_kernel:6.6.22
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cpe:2.3:o:linux:linux_kernel:6.6.23
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cpe:2.3:o:linux:linux_kernel:6.6.24
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cpe:2.3:o:linux:linux_kernel:6.6.25
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cpe:2.3:o:linux:linux_kernel:6.6.3
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cpe:2.3:o:linux:linux_kernel:6.6.4
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cpe:2.3:o:linux:linux_kernel:6.6.5
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cpe:2.3:o:linux:linux_kernel:6.6.6
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cpe:2.3:o:linux:linux_kernel:6.6.7
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cpe:2.3:o:linux:linux_kernel:6.6.8
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cpe:2.3:o:linux:linux_kernel:6.6.9
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cpe:2.3:o:linux:linux_kernel:6.7
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cpe:2.3:o:linux:linux_kernel:6.7.1
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cpe:2.3:o:linux:linux_kernel:6.7.10
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cpe:2.3:o:linux:linux_kernel:6.7.11
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cpe:2.3:o:linux:linux_kernel:6.7.12
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cpe:2.3:o:linux:linux_kernel:6.7.2
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cpe:2.3:o:linux:linux_kernel:6.7.3
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cpe:2.3:o:linux:linux_kernel:6.7.4
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cpe:2.3:o:linux:linux_kernel:6.7.5
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cpe:2.3:o:linux:linux_kernel:6.7.6
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cpe:2.3:o:linux:linux_kernel:6.7.7
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cpe:2.3:o:linux:linux_kernel:6.7.8
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cpe:2.3:o:linux:linux_kernel:6.7.9
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cpe:2.3:o:linux:linux_kernel:6.8
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cpe:2.3:o:linux:linux_kernel:6.8.1
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cpe:2.3:o:linux:linux_kernel:6.8.2
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cpe:2.3:o:linux:linux_kernel:6.8.3
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cpe:2.3:o:linux:linux_kernel:6.8.4
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cpe:2.3:o:linux:linux_kernel:6.9