CVE-2024-53091
CSIRTS triage
- What
- Missing checks in tls_sw_has_ctx_tx/rx for sk_is_inet and IS_ICSK can lead to memory safety issues in eBPF/BPF TLS handling.
- Who is affected
- Systems running affected Linux kernel versions with BPF and TLS interaction are exposed.
- Urgency
- Moderate; CVSS 5.5 indicates medium severity; not yet exploited.
- Action
- Update to a Linux kernel version that includes the sk_is_inet and IS_ICSK checks in tls_sw_has_ctx_tx/rx.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
Advisory coverage (1)
- mediumCVE-2024-53091: bpf: Add sk_is_inet and IS_ICSK check in tls_sw_has_ctx_tx/rxmsrc · 2026-08-06
External references
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