{"id":"CVE-2026-72230","state":"PUBLISHED","title":"batman-adv: frag: free unfragmentable packet","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: frag: free unfragmentable packet\n\nThe caller of batadv_frag_send_packet() assume that the skb provided to the\nfunction are always consumed. But the pre-check for an empty payload or the\nzero fragment size returned an error without any further actions.\n\nA failed pre-check must use the same error handling code as the rest of the\nfunction.","publishedAt":"2026-08-15T05:54:21.256Z","updatedAt":"2026-08-17T05:10:46.396Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"a5155aeeae8ead3c6081f7f197608033e4dcfe75","versionType":"git"},{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"04ccbed8179e7d4d0906d00939300ddc5b48ce7e","versionType":"git"},{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"601dff01a03ecced59938cdd69eeb2c66e4158f2","versionType":"git"},{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"740542f11bf8c86411c429fbd7f84fc6bee80e76","versionType":"git"},{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"59e1da1ab354d1f2b7bab8d44f846262f990ad9d","versionType":"git"},{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"8f54162e07d3eea1e4ff21464cf2a815d79b6510","versionType":"git"},{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"08047838817561cef33ada9774a2a4663d499ecb","versionType":"git"},{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"6b628425aed49a1c7a4ffc997583840fc582d32b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/batman-adv/fragmentation.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.13","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/batman-adv/fragmentation.c"]}],"references":["https://git.kernel.org/stable/c/a5155aeeae8ead3c6081f7f197608033e4dcfe75","https://git.kernel.org/stable/c/04ccbed8179e7d4d0906d00939300ddc5b48ce7e","https://git.kernel.org/stable/c/601dff01a03ecced59938cdd69eeb2c66e4158f2","https://git.kernel.org/stable/c/740542f11bf8c86411c429fbd7f84fc6bee80e76","https://git.kernel.org/stable/c/59e1da1ab354d1f2b7bab8d44f846262f990ad9d","https://git.kernel.org/stable/c/8f54162e07d3eea1e4ff21464cf2a815d79b6510","https://git.kernel.org/stable/c/08047838817561cef33ada9774a2a4663d499ecb","https://git.kernel.org/stable/c/6b628425aed49a1c7a4ffc997583840fc582d32b"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72230.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72230","state":"PUBLISHED","datePublished":"2026-08-15T05:54:21.256Z","dateUpdated":"2026-08-17T05:10:46.396Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.913Z"},"containers":{"cna":{"title":"batman-adv: frag: free unfragmentable packet","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: frag: free unfragmentable packet\n\nThe caller of batadv_frag_send_packet() assume that the skb provided to the\nfunction are always consumed. But the pre-check for an empty payload or the\nzero fragment size returned an error without any further actions.\n\nA failed pre-check must use the same error handling code as the rest of the\nfunction."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"a5155aeeae8ead3c6081f7f197608033e4dcfe75","versionType":"git"},{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"04ccbed8179e7d4d0906d00939300ddc5b48ce7e","versionType":"git"},{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"601dff01a03ecced59938cdd69eeb2c66e4158f2","versionType":"git"},{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"740542f11bf8c86411c429fbd7f84fc6bee80e76","versionType":"git"},{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"59e1da1ab354d1f2b7bab8d44f846262f990ad9d","versionType":"git"},{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"8f54162e07d3eea1e4ff21464cf2a815d79b6510","versionType":"git"},{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"08047838817561cef33ada9774a2a4663d499ecb","versionType":"git"},{"version":"ee75ed88879af88558818a5c6609d85f60ff0df4","status":"affected","lessThan":"6b628425aed49a1c7a4ffc997583840fc582d32b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/batman-adv/fragmentation.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.13","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/batman-adv/fragmentation.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a5155aeeae8ead3c6081f7f197608033e4dcfe75"},{"url":"https://git.kernel.org/stable/c/04ccbed8179e7d4d0906d00939300ddc5b48ce7e"},{"url":"https://git.kernel.org/stable/c/601dff01a03ecced59938cdd69eeb2c66e4158f2"},{"url":"https://git.kernel.org/stable/c/740542f11bf8c86411c429fbd7f84fc6bee80e76"},{"url":"https://git.kernel.org/stable/c/59e1da1ab354d1f2b7bab8d44f846262f990ad9d"},{"url":"https://git.kernel.org/stable/c/8f54162e07d3eea1e4ff21464cf2a815d79b6510"},{"url":"https://git.kernel.org/stable/c/08047838817561cef33ada9774a2a4663d499ecb"},{"url":"https://git.kernel.org/stable/c/6b628425aed49a1c7a4ffc997583840fc582d32b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:10:46.396Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"5.10.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}