{"id":"CVE-2025-68355","state":"PUBLISHED","title":"bpf: Fix exclusive map memory leak","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix exclusive map memory leak\n\nWhen excl_prog_hash is 0 and excl_prog_hash_size is non-zero, the map also\nneeds to be freed. Otherwise, the map memory will not be reclaimed, just\nlike the memory leak problem reported by syzbot [1].\n\nsyzbot reported:\nBUG: memory leak\n  backtrace (crc 7b9fb9b4):\n    map_create+0x322/0x11e0 kernel/bpf/syscall.c:1512\n    __sys_bpf+0x3556/0x3610 kernel/bpf/syscall.c:6131","publishedAt":"2025-12-24T10:32:45.505Z","updatedAt":"2026-05-11T21:51:36.018Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"baefdbdf6812e120c9fba9cfb101d3656f478026","status":"affected","lessThan":"f0022551745d72fc0e7bc8601234d690dee2178d","versionType":"git"},{"version":"baefdbdf6812e120c9fba9cfb101d3656f478026","status":"affected","lessThan":"688b745401ab16e2e1a3b504863f0a45fd345638","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/syscall.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.2","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/syscall.c"]}],"references":["https://git.kernel.org/stable/c/f0022551745d72fc0e7bc8601234d690dee2178d","https://git.kernel.org/stable/c/688b745401ab16e2e1a3b504863f0a45fd345638"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68355.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68355","state":"PUBLISHED","datePublished":"2025-12-24T10:32:45.505Z","dateUpdated":"2026-05-11T21:51:36.018Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-16T14:48:05.300Z"},"containers":{"cna":{"title":"bpf: Fix exclusive map memory leak","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix exclusive map memory leak\n\nWhen excl_prog_hash is 0 and excl_prog_hash_size is non-zero, the map also\nneeds to be freed. Otherwise, the map memory will not be reclaimed, just\nlike the memory leak problem reported by syzbot [1].\n\nsyzbot reported:\nBUG: memory leak\n  backtrace (crc 7b9fb9b4):\n    map_create+0x322/0x11e0 kernel/bpf/syscall.c:1512\n    __sys_bpf+0x3556/0x3610 kernel/bpf/syscall.c:6131"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"baefdbdf6812e120c9fba9cfb101d3656f478026","status":"affected","lessThan":"f0022551745d72fc0e7bc8601234d690dee2178d","versionType":"git"},{"version":"baefdbdf6812e120c9fba9cfb101d3656f478026","status":"affected","lessThan":"688b745401ab16e2e1a3b504863f0a45fd345638","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/syscall.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.2","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/syscall.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f0022551745d72fc0e7bc8601234d690dee2178d"},{"url":"https://git.kernel.org/stable/c/688b745401ab16e2e1a3b504863f0a45fd345638"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:51:36.018Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}