Threats Tagged 'cve-2026-72019'
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Threats Tagged 'cve-2026-72019'
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In the Linux kernel, the following vulnerability has been resolved: macsec: don't read an unset MAC header in macsec_encrypt() macsec_encrypt()… (CVE-2026-72019)CVE-2026-72019 0 A vulnerability in the Linux kernel's macsec_encrypt() function could cause a 12-byte heap out-of-bounds read when the MAC header is unset on the AF_PACKET SOCK_RAW + PACKET_QDISC_BYPASS transmit path. This occurs because macsec_encrypt() reads the Ethernet header assuming the MAC header is set, leading to an out-of-bounds memory read and potentially leaking data on the wire as the frame's outer source/destination MAC addresses. The issue has been resolved by changing the code to use skb_eth_hdr() which correctly handles unset MAC headers. Join the discussion | GCVE Database | 08/15/2026, 06:32:09 UTC Added: 08/15/2026, 15:53:29 UTC |
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