CVE-2026-43139

The CVE-2026-43139 entry concerns the Linux kernel xfrm6 subsystem. The issue arises in xfrm6_get_saddr() which does not check the return value of ipv6_dev_get_saddr(); when ipv6_dev_get_saddr() fails with -EADDRNOTAVAIL, saddr->in6 remains uninitialized and xfrm6_get_saddr() incorrectly retur...