{"id":"CVE-2022-49548","state":"PUBLISHED","title":"bpf: Fix potential array overflow in bpf_trampoline_get_progs()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix potential array overflow in bpf_trampoline_get_progs()\n\nThe cnt value in the 'cnt >= BPF_MAX_TRAMP_PROGS' check does not\ninclude BPF_TRAMP_MODIFY_RETURN bpf programs, so the number of\nthe attached BPF_TRAMP_MODIFY_RETURN bpf programs in a trampoline\ncan exceed BPF_MAX_TRAMP_PROGS.\n\nWhen this happens, the assignment '*progs++ = aux->prog' in\nbpf_trampoline_get_progs() will cause progs array overflow as the\nprogs field in the bpf_tramp_progs struct can only hold at most\nBPF_MAX_TRAMP_PROGS bpf programs.","publishedAt":"2025-02-26T02:13:59.797Z","updatedAt":"2026-05-11T19:02:04.684Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"88fd9e5352fe05f7fe57778293aebd4cd106960b","status":"affected","lessThan":"7f845de2863334bed4f362e95853f5e7bc323737","versionType":"git"},{"version":"88fd9e5352fe05f7fe57778293aebd4cd106960b","status":"affected","lessThan":"e36452d5da6325df7c10cffc60a9e68d21e2606d","versionType":"git"},{"version":"88fd9e5352fe05f7fe57778293aebd4cd106960b","status":"affected","lessThan":"32c4559c61652f24c9fdd5440342196fe37453bc","versionType":"git"},{"version":"88fd9e5352fe05f7fe57778293aebd4cd106960b","status":"affected","lessThan":"4f8897bcc20b9ae44758e0572538d741ab66f0dc","versionType":"git"},{"version":"88fd9e5352fe05f7fe57778293aebd4cd106960b","status":"affected","lessThan":"a2aa95b71c9bbec793b5c5fa50f0a80d882b3e8d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/trampoline.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.10.120","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.45","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.13","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.2","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/trampoline.c"]}],"references":["https://git.kernel.org/stable/c/7f845de2863334bed4f362e95853f5e7bc323737","https://git.kernel.org/stable/c/e36452d5da6325df7c10cffc60a9e68d21e2606d","https://git.kernel.org/stable/c/32c4559c61652f24c9fdd5440342196fe37453bc","https://git.kernel.org/stable/c/4f8897bcc20b9ae44758e0572538d741ab66f0dc","https://git.kernel.org/stable/c/a2aa95b71c9bbec793b5c5fa50f0a80d882b3e8d"],"weaknesses":["CWE-129"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49548.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49548","state":"PUBLISHED","datePublished":"2025-02-26T02:13:59.797Z","dateUpdated":"2026-05-11T19:02:04.684Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.590Z"},"containers":{"cna":{"title":"bpf: Fix potential array overflow in bpf_trampoline_get_progs()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix potential array overflow in bpf_trampoline_get_progs()\n\nThe cnt value in the 'cnt >= BPF_MAX_TRAMP_PROGS' check does not\ninclude BPF_TRAMP_MODIFY_RETURN bpf programs, so the number of\nthe attached BPF_TRAMP_MODIFY_RETURN bpf programs in a trampoline\ncan exceed BPF_MAX_TRAMP_PROGS.\n\nWhen this happens, the assignment '*progs++ = aux->prog' in\nbpf_trampoline_get_progs() will cause progs array overflow as the\nprogs field in the bpf_tramp_progs struct can only hold at most\nBPF_MAX_TRAMP_PROGS bpf programs."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"88fd9e5352fe05f7fe57778293aebd4cd106960b","status":"affected","lessThan":"7f845de2863334bed4f362e95853f5e7bc323737","versionType":"git"},{"version":"88fd9e5352fe05f7fe57778293aebd4cd106960b","status":"affected","lessThan":"e36452d5da6325df7c10cffc60a9e68d21e2606d","versionType":"git"},{"version":"88fd9e5352fe05f7fe57778293aebd4cd106960b","status":"affected","lessThan":"32c4559c61652f24c9fdd5440342196fe37453bc","versionType":"git"},{"version":"88fd9e5352fe05f7fe57778293aebd4cd106960b","status":"affected","lessThan":"4f8897bcc20b9ae44758e0572538d741ab66f0dc","versionType":"git"},{"version":"88fd9e5352fe05f7fe57778293aebd4cd106960b","status":"affected","lessThan":"a2aa95b71c9bbec793b5c5fa50f0a80d882b3e8d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/trampoline.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.10.120","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.45","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.13","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.2","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/trampoline.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/7f845de2863334bed4f362e95853f5e7bc323737"},{"url":"https://git.kernel.org/stable/c/e36452d5da6325df7c10cffc60a9e68d21e2606d"},{"url":"https://git.kernel.org/stable/c/32c4559c61652f24c9fdd5440342196fe37453bc"},{"url":"https://git.kernel.org/stable/c/4f8897bcc20b9ae44758e0572538d741ab66f0dc"},{"url":"https://git.kernel.org/stable/c/a2aa95b71c9bbec793b5c5fa50f0a80d882b3e8d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:02:04.684Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.10.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.15.45"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.17.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.18.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49548","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-10-01T19:37:25.966700Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-129","lang":"en","type":"CWE","description":"CWE-129 Improper Validation of Array Index"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:39.557Z"}}]}}}