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9.1 Critical

CVE-2023-52735 In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Don't let…

Description

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Don't let sock_map_{close,destroy,unhash} call itself sock_map proto callbacks should never call themselves by design. Protect against bugs like [1] and break out of the recursive loop to avoid a stack overflow in favor of a resource leak. [1] https://lore.kernel.org/all/00000000000073b14905ef2e7401@google.com/

Affected products and versions

Product Affected versions Fixed in
Linux 6.2 earliest → < 6.2 6.2
Linux 6.1 earliest → < 6.1.13 6.1.13
Linux 5.16 No fix stated
Linux 5.15 earliest → < 5.15.95 5.15.95
linux_kernel 6.2 earliest → < 6.2 6.2

References

Timeline

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