CVE-2022-49961

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to the Linux kernel's bpf (Berkeley Packet Filter) functionality. It involves the propagation of precision markers for certain types of arguments, which is necessary for the verifier to correctly check the equivalence of states. Without this fix, the verifier may incorrectly prune states, allowing invalid programs to pass verification and potentially leading to out-of-bounds access. This problem is specific to privileged users with CAP BPF capabilities. A test case has been included to prevent future regressions.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.