Threats Tagged 'cve-2026-49423'
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Threats Tagged 'cve-2026-49423'
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When building the iovec array for a received TLS 1.2 CBC record, ktls_ocf_tls_cbc_decrypt() incremented the iovec index for every mbuf in the chain,… (CVE-2026-49423)CVE-2026-49423 0 A vulnerability exists in the ktls_ocf_tls_cbc_decrypt() function when processing TLS 1.2 CBC records. The function incorrectly increments the iovec index for every mbuf in the chain, including those containing only TLS header bytes, leaving uninitialized entries in the iovec array. This uninitialized memory can be read during HMAC computation, potentially causing a kernel panic. Exploitation requires a remote TLS peer to control TCP segmentation so that the first mbuf of a CBC record contains only the TLS record header. Join the discussion | GCVE Database | 08/19/2026, 09:31:22 UTC Added: 08/19/2026, 13:50:28 UTC |
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