Vulnerability Details CVE-2024-35880
In the Linux kernel, the following vulnerability has been resolved:
io_uring/kbuf: hold io_buffer_list reference over mmap
If we look up the kbuf, ensure that it doesn't get unregistered until
after we're done with it. Since we're inside mmap, we cannot safely use
the io_uring lock. Rely on the fact that we can lookup the buffer list
under RCU now and grab a reference to it, preventing it from being
unregistered until we're done with it. The lookup returns the
io_buffer_list directly with it referenced.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 34.9%
CVSS Severity
CVSS v3 Score 5.5
References
- https://git.kernel.org/stable/c/561e4f9451d65fc2f7eef564e0064373e3019793
- https://git.kernel.org/stable/c/5fd8e2359498043e0b5329a05f02d10a9eb91eb9
- https://git.kernel.org/stable/c/65938e81df2197203bda4b9a0c477e7987218d66
- https://git.kernel.org/stable/c/561e4f9451d65fc2f7eef564e0064373e3019793
- https://git.kernel.org/stable/c/5fd8e2359498043e0b5329a05f02d10a9eb91eb9
- https://git.kernel.org/stable/c/65938e81df2197203bda4b9a0c477e7987218d66
Products affected by CVE-2024-35880
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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:6.6.20
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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:6.6.5
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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