{"id":"CVE-2024-35878","state":"PUBLISHED","title":"of: module: prevent NULL pointer dereference in vsnprintf()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nof: module: prevent NULL pointer dereference in vsnprintf()\n\nIn of_modalias(), we can get passed the str and len parameters which would\ncause a kernel oops in vsnprintf() since it only allows passing a NULL ptr\nwhen the length is also 0. Also, we need to filter out the negative values\nof the len parameter as these will result in a really huge buffer since\nsnprintf() takes size_t parameter while ours is ssize_t...\n\nFound by Linux Verification Center (linuxtesting.org) with the Svace static\nanalysis tool.","publishedAt":"2024-05-19T08:34:35.622Z","updatedAt":"2026-05-11T20:12:59.882Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"bd7a7ed774afd1a4174df34227626c95573be517","status":"affected","lessThan":"e4a449368a2ce6d57a775d0ead27fc07f5a86e5b","versionType":"git"},{"version":"bd7a7ed774afd1a4174df34227626c95573be517","status":"affected","lessThan":"544561dc56f7e69a053c25e11e6170f48bb97898","versionType":"git"},{"version":"bd7a7ed774afd1a4174df34227626c95573be517","status":"affected","lessThan":"a1aa5390cc912934fee76ce80af5f940452fa987","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/of/module.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.4","versionType":"semver"},{"version":"6.6.26","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.8.5","status":"unaffected","lessThanOrEqual":"6.8.*","versionType":"semver"},{"version":"6.9","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/of/module.c"]}],"references":["https://git.kernel.org/stable/c/e4a449368a2ce6d57a775d0ead27fc07f5a86e5b","https://git.kernel.org/stable/c/544561dc56f7e69a053c25e11e6170f48bb97898","https://git.kernel.org/stable/c/a1aa5390cc912934fee76ce80af5f940452fa987"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:07:30.303Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/35xxx/CVE-2024-35878.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-35878","state":"PUBLISHED","datePublished":"2024-05-19T08:34:35.622Z","dateUpdated":"2026-05-11T20:12:59.882Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-17T13:50:33.110Z"},"containers":{"cna":{"title":"of: module: prevent NULL pointer dereference in vsnprintf()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nof: module: prevent NULL pointer dereference in vsnprintf()\n\nIn of_modalias(), we can get passed the str and len parameters which would\ncause a kernel oops in vsnprintf() since it only allows passing a NULL ptr\nwhen the length is also 0. Also, we need to filter out the negative values\nof the len parameter as these will result in a really huge buffer since\nsnprintf() takes size_t parameter while ours is ssize_t...\n\nFound by Linux Verification Center (linuxtesting.org) with the Svace static\nanalysis tool."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"bd7a7ed774afd1a4174df34227626c95573be517","status":"affected","lessThan":"e4a449368a2ce6d57a775d0ead27fc07f5a86e5b","versionType":"git"},{"version":"bd7a7ed774afd1a4174df34227626c95573be517","status":"affected","lessThan":"544561dc56f7e69a053c25e11e6170f48bb97898","versionType":"git"},{"version":"bd7a7ed774afd1a4174df34227626c95573be517","status":"affected","lessThan":"a1aa5390cc912934fee76ce80af5f940452fa987","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/of/module.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.4","versionType":"semver"},{"version":"6.6.26","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.8.5","status":"unaffected","lessThanOrEqual":"6.8.*","versionType":"semver"},{"version":"6.9","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/of/module.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e4a449368a2ce6d57a775d0ead27fc07f5a86e5b"},{"url":"https://git.kernel.org/stable/c/544561dc56f7e69a053c25e11e6170f48bb97898"},{"url":"https://git.kernel.org/stable/c/a1aa5390cc912934fee76ce80af5f940452fa987"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:12:59.882Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.6.26"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.8.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.9"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-05-21T15:36:29.071642Z","id":"CVE-2024-35878","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","type":"CWE","lang":"en","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-11-12T16:44:31.927Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/e4a449368a2ce6d57a775d0ead27fc07f5a86e5b","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/544561dc56f7e69a053c25e11e6170f48bb97898","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/a1aa5390cc912934fee76ce80af5f940452fa987","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T03:21:48.254Z"}}]}}}