Threats Tagged 'ghsa-fqx3-r8j8-73qq'
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Threats Tagged 'ghsa-fqx3-r8j8-73qq'
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A critical vulnerability (CVE-2026-43501) in the Linux kernel's IPv6 Source Routing Header (SRH) recompression process allows a local attacker to trigger an out-of-bounds write due to insufficient reserved headroom. This memory corruption can lead to denial of service or potentially arbitrary code execution. The flaw affects Red Hat Enterprise Linux 9 and 10, and Red Hat In-Vehicle OS 2. A patch is available from Red Hat, and a mitigation involves disabling IPv6 Source Routing by setting the accept_source_route sysctl parameter to 0. Systems should apply the vendor-provided kernel update and reboot to remediate the issue. Join the discussion | GCVE Database | 05/21/2026, 15:34:08 UTC Added: 07/02/2026, 22:57:59 UTC |
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