{"id":"CVE-2026-89949","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: dat: avoid unaligned fault in IP extraction\n\nIndependent of the alignment of the ARP packet in the SKB, either the\nbatadv_arp_ip_src or the batadv_arp_ip_ds…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: dat: avoid unaligned fault in IP extraction\n\nIndependent of the alignment of the ARP packet in the SKB, either the\nbatadv_arp_ip_src or the batadv_arp_ip_ds…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f < b1bbc694ca51adb8dbed3f3235b4fcbdb44e0e20","Linux >= 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f < 15dbfb37f0e1a085d48deeb8f5238e9d28127dde","Linux >= 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f < a170d4617e8cca05a1314de61728a262ef272782","Linux >= 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f < c74a4acf41d19f21199dec2d6c813c90d31cd02c","Linux >= 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f < 91c99b4e152023c7d458a5dedd52d2b0d7df4ce3","Linux >= 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f < 1cfa7d5f70d54cb8c7e82df739430782d1996ee1","Linux >= 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f < 0c2df865338bbf92aa45b9253e5f9b8ef2d9992f","Linux >= 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f < 0121afa52cdb88cfb4d5d7bd126a23a9100121d8","Linux 3.8"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T11:17:05.030","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89949","references":[{"url":"https://git.kernel.org/stable/c/0121afa52cdb88cfb4d5d7bd126a23a9100121d8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/0c2df865338bbf92aa45b9253e5f9b8ef2d9992f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/15dbfb37f0e1a085d48deeb8f5238e9d28127dde","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1cfa7d5f70d54cb8c7e82df739430782d1996ee1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/91c99b4e152023c7d458a5dedd52d2b0d7df4ce3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a170d4617e8cca05a1314de61728a262ef272782","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b1bbc694ca51adb8dbed3f3235b4fcbdb44e0e20","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c74a4acf41d19f21199dec2d6c813c90d31cd02c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-16T10:53:53.963Z","epss":0.00211,"epssPercentile":0.1159,"slug":"CVE-2026-89949","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: dat: avoid unaligned fault in IP extraction\n\nIndependent of the alignment of the ARP packet in the SKB, either the\nbatadv_arp_ip_src or the batadv_arp_ip_dst will have an unaligned access\n(on HW without native unaligned read support).\n\nUse get_unaligned() to handle this properly on all architectures.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}