{"id":"CVE-2022-48641","state":"PUBLISHED","title":"netfilter: ebtables: fix memory leak when blob is malformed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ebtables: fix memory leak when blob is malformed\n\nThe bug fix was incomplete, it \"replaced\" crash with a memory leak.\nThe old code had an assignment to \"ret\" embedded into the conditional,\nrestore this.","publishedAt":"2024-04-28T12:59:53.047Z","updatedAt":"2026-05-11T18:44:18.136Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"afd01382594d643e1adeb16826423b418cdf8b8b","status":"affected","lessThan":"754e8b74281dd54a324698803483f47cf3355ae1","versionType":"git"},{"version":"358765beb836f5fc2ed26b5df4140d5d3548ac11","status":"affected","lessThan":"1e98318af2f163eadaff815abcef38d27ca92c1e","versionType":"git"},{"version":"160c4eb47db03b96c0c425358e7595ebefe8094d","status":"affected","lessThan":"11ebf32fde46572b0aaf3c2bdd97d923ef5a03ab","versionType":"git"},{"version":"624c30521233e110cf50ba01980a591e045036ae","status":"affected","lessThan":"ebd97dbe3c55d68346b9c5fb00634a7f5b10bbee","versionType":"git"},{"version":"1b2c5428f773d60c116c7b1e390432e0cfb63cd6","status":"affected","lessThan":"d5917b7af7cae0e2804f9d127a03268035098b7f","versionType":"git"},{"version":"e53cfa017bf4575d0b948a8f45313ef66d897136","status":"affected","lessThan":"38cf372b17f0a5f35c1b716a100532d539f0eb33","versionType":"git"},{"version":"7997eff82828304b780dc0a39707e1946d6f1ebf","status":"affected","lessThan":"62ce44c4fff947eebdf10bb582267e686e6835c9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bridge/netfilter/ebtables.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4.14.292","status":"affected","lessThan":"4.14.295","versionType":"semver"},{"version":"4.19.257","status":"affected","lessThan":"4.19.260","versionType":"semver"},{"version":"5.4.212","status":"affected","lessThan":"5.4.215","versionType":"semver"},{"version":"5.10.140","status":"affected","lessThan":"5.10.146","versionType":"semver"},{"version":"5.15.64","status":"affected","lessThan":"5.15.71","versionType":"semver"},{"version":"5.19.6","status":"affected","lessThan":"5.19.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bridge/netfilter/ebtables.c"]}],"references":["https://git.kernel.org/stable/c/754e8b74281dd54a324698803483f47cf3355ae1","https://git.kernel.org/stable/c/1e98318af2f163eadaff815abcef38d27ca92c1e","https://git.kernel.org/stable/c/11ebf32fde46572b0aaf3c2bdd97d923ef5a03ab","https://git.kernel.org/stable/c/ebd97dbe3c55d68346b9c5fb00634a7f5b10bbee","https://git.kernel.org/stable/c/d5917b7af7cae0e2804f9d127a03268035098b7f","https://git.kernel.org/stable/c/38cf372b17f0a5f35c1b716a100532d539f0eb33","https://git.kernel.org/stable/c/62ce44c4fff947eebdf10bb582267e686e6835c9"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/48xxx/CVE-2022-48641.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-48641","state":"PUBLISHED","datePublished":"2024-04-28T12:59:53.047Z","dateUpdated":"2026-05-11T18:44:18.136Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-25T13:44:28.316Z"},"containers":{"cna":{"title":"netfilter: ebtables: fix memory leak when blob is malformed","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ebtables: fix memory leak when blob is malformed\n\nThe bug fix was incomplete, it \"replaced\" crash with a memory leak.\nThe old code had an assignment to \"ret\" embedded into the conditional,\nrestore this."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"afd01382594d643e1adeb16826423b418cdf8b8b","status":"affected","lessThan":"754e8b74281dd54a324698803483f47cf3355ae1","versionType":"git"},{"version":"358765beb836f5fc2ed26b5df4140d5d3548ac11","status":"affected","lessThan":"1e98318af2f163eadaff815abcef38d27ca92c1e","versionType":"git"},{"version":"160c4eb47db03b96c0c425358e7595ebefe8094d","status":"affected","lessThan":"11ebf32fde46572b0aaf3c2bdd97d923ef5a03ab","versionType":"git"},{"version":"624c30521233e110cf50ba01980a591e045036ae","status":"affected","lessThan":"ebd97dbe3c55d68346b9c5fb00634a7f5b10bbee","versionType":"git"},{"version":"1b2c5428f773d60c116c7b1e390432e0cfb63cd6","status":"affected","lessThan":"d5917b7af7cae0e2804f9d127a03268035098b7f","versionType":"git"},{"version":"e53cfa017bf4575d0b948a8f45313ef66d897136","status":"affected","lessThan":"38cf372b17f0a5f35c1b716a100532d539f0eb33","versionType":"git"},{"version":"7997eff82828304b780dc0a39707e1946d6f1ebf","status":"affected","lessThan":"62ce44c4fff947eebdf10bb582267e686e6835c9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bridge/netfilter/ebtables.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4.14.292","status":"affected","lessThan":"4.14.295","versionType":"semver"},{"version":"4.19.257","status":"affected","lessThan":"4.19.260","versionType":"semver"},{"version":"5.4.212","status":"affected","lessThan":"5.4.215","versionType":"semver"},{"version":"5.10.140","status":"affected","lessThan":"5.10.146","versionType":"semver"},{"version":"5.15.64","status":"affected","lessThan":"5.15.71","versionType":"semver"},{"version":"5.19.6","status":"affected","lessThan":"5.19.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bridge/netfilter/ebtables.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/754e8b74281dd54a324698803483f47cf3355ae1"},{"url":"https://git.kernel.org/stable/c/1e98318af2f163eadaff815abcef38d27ca92c1e"},{"url":"https://git.kernel.org/stable/c/11ebf32fde46572b0aaf3c2bdd97d923ef5a03ab"},{"url":"https://git.kernel.org/stable/c/ebd97dbe3c55d68346b9c5fb00634a7f5b10bbee"},{"url":"https://git.kernel.org/stable/c/d5917b7af7cae0e2804f9d127a03268035098b7f"},{"url":"https://git.kernel.org/stable/c/38cf372b17f0a5f35c1b716a100532d539f0eb33"},{"url":"https://git.kernel.org/stable/c/62ce44c4fff947eebdf10bb582267e686e6835c9"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:44:18.136Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.292","versionEndExcluding":"4.14.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.257","versionEndExcluding":"4.19.260"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.212","versionEndExcluding":"5.4.215"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.140","versionEndExcluding":"5.10.146"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.64","versionEndExcluding":"5.15.71"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19.6","versionEndExcluding":"5.19.12"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/754e8b74281dd54a324698803483f47cf3355ae1","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/1e98318af2f163eadaff815abcef38d27ca92c1e","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/11ebf32fde46572b0aaf3c2bdd97d923ef5a03ab","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/ebd97dbe3c55d68346b9c5fb00634a7f5b10bbee","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/d5917b7af7cae0e2804f9d127a03268035098b7f","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/38cf372b17f0a5f35c1b716a100532d539f0eb33","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/62ce44c4fff947eebdf10bb582267e686e6835c9","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T15:17:55.593Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-48641","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:46:20.766456Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-11T17:32:47.581Z"}}]}}}