Seven stable Linux kernels released with fix for critical vulnerability

Greg Kroah-Hartman released stable kernels 7.2.11, 6.18.57, 6.12.113, 6.6.159, 6.1.190, 5.15.223 and 5.10.272. The series fixes critical vulnerability CVE-2026-99999 in skb_checksum_help(), which let an IPv4 packet with bad checksum metadata corrupt the network header.

• Stable kernels 7.2.11, 6.18.57, 6.12.113, 6.6.159, 6.1.190, 5.15.223 and 5.10.272 released
• Critical vulnerability CVE-2026-99999 fixed in skb_checksum_help()
• An IPv4 packet with bad checksum metadata could corrupt the network header
• All users are advised to upgrade