Vulnerability Details CVE-2024-50260
In the Linux kernel, the following vulnerability has been resolved:
sock_map: fix a NULL pointer dereference in sock_map_link_update_prog()
The following race condition could trigger a NULL pointer dereference:
sock_map_link_detach(): sock_map_link_update_prog():
mutex_lock(&sockmap_mutex);
...
sockmap_link->map = NULL;
mutex_unlock(&sockmap_mutex);
mutex_lock(&sockmap_mutex);
...
sock_map_prog_link_lookup(sockmap_link->map);
mutex_unlock(&sockmap_mutex);
<continue>
Fix it by adding a NULL pointer check. In this specific case, it makes
no sense to update a link which is being released.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 15.5%
CVSS Severity
CVSS v3 Score 4.7
References
Products affected by CVE-2024-50260
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cpe:2.3:o:linux:linux_kernel:6.10
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cpe:2.3:o:linux:linux_kernel:6.10.0
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cpe:2.3:o:linux:linux_kernel:6.10.1
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cpe:2.3:o:linux:linux_kernel:6.10.10
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cpe:2.3:o:linux:linux_kernel:6.10.11
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cpe:2.3:o:linux:linux_kernel:6.10.12
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cpe:2.3:o:linux:linux_kernel:6.10.13
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cpe:2.3:o:linux:linux_kernel:6.10.14
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cpe:2.3:o:linux:linux_kernel:6.10.2
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cpe:2.3:o:linux:linux_kernel:6.10.3
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cpe:2.3:o:linux:linux_kernel:6.10.4
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cpe:2.3:o:linux:linux_kernel:6.10.5
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cpe:2.3:o:linux:linux_kernel:6.10.6
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cpe:2.3:o:linux:linux_kernel:6.10.7
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cpe:2.3:o:linux:linux_kernel:6.10.8
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cpe:2.3:o:linux:linux_kernel:6.10.9
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cpe:2.3:o:linux:linux_kernel:6.11
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cpe:2.3:o:linux:linux_kernel:6.11.1
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cpe:2.3:o:linux:linux_kernel:6.11.2
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cpe:2.3:o:linux:linux_kernel:6.11.3
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cpe:2.3:o:linux:linux_kernel:6.11.4
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cpe:2.3:o:linux:linux_kernel:6.11.5
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cpe:2.3:o:linux:linux_kernel:6.11.6
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cpe:2.3:o:linux:linux_kernel:6.12