Katran Kernel IP Header Disclosure via Uninitialized Identification Field
CVE-2023-49062 Published on November 28, 2023
Katran could disclose non-initialized kernel memory as part of an IP header. The issue was present for IPv4 encapsulation and ICMP (v4) Too Big packet generation. After a bpf_xdp_adjust_head call, Katran code didnt initialize the Identification field for the IPv4 header, resulting in writing content of kernel memory in that field of IP header. The issue affected all Katran versions prior to commit 6a03106ac1eab39d0303662963589ecb2374c97f
Products Associated with CVE-2023-49062
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Affected Versions
Facebook Katran:- Before 6a03106ac1eab39d0303662963589ecb2374c97f is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.