{"id":"CVE-2022-50404","state":"PUBLISHED","title":"fbdev: fbcon: release buffer when fbcon_do_set_font() failed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: fbcon: release buffer when fbcon_do_set_font() failed\n\nsyzbot is reporting memory leak at fbcon_do_set_font() [1], for\ncommit a5a923038d70 (\"fbdev: fbcon: Properly revert changes when\nvc_resize() failed\") missed that the buffer might be newly allocated\nby fbcon_set_font().","publishedAt":"2025-09-18T16:03:49.643Z","updatedAt":"2026-05-23T15:24:24.612Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"868749a7456dc48e93887a8474194e2ee6d6c21f","status":"affected","lessThan":"5a341810a22e51c3a7a108f7896b5fd58d44d127","versionType":"git"},{"version":"ebd6f886aa2447fcfcdce5450c9e1028e1d681bb","status":"affected","lessThan":"88ec6d11052da527eb9268831e7a9bc5bbad02f6","versionType":"git"},{"version":"a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24","status":"affected","lessThan":"06926607b9fddf7ce8017493899ce6eb7e79a123","versionType":"git"},{"version":"a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24","status":"affected","lessThan":"a609bfc1e644a8467cb31945ed1488374ebdc013","versionType":"git"},{"version":"a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24","status":"affected","lessThan":"3c3bfb8586f848317ceba5d777e11204ba3e5758","versionType":"git"},{"version":"f08ccb792d3eaf1dc62d8cbf6a30d6522329f660","status":"affected","versionType":"git"},{"version":"5.15.64","status":"affected","lessThan":"5.15.86","versionType":"semver"},{"version":"5.19.6","status":"affected","lessThan":"5.20","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/video/fbdev/core/fbcon.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/video/fbdev/core/fbcon.c"]}],"references":["https://git.kernel.org/stable/c/5a341810a22e51c3a7a108f7896b5fd58d44d127","https://git.kernel.org/stable/c/88ec6d11052da527eb9268831e7a9bc5bbad02f6","https://git.kernel.org/stable/c/06926607b9fddf7ce8017493899ce6eb7e79a123","https://git.kernel.org/stable/c/a609bfc1e644a8467cb31945ed1488374ebdc013","https://git.kernel.org/stable/c/3c3bfb8586f848317ceba5d777e11204ba3e5758"],"weaknesses":["CWE-401"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50404.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50404","state":"PUBLISHED","datePublished":"2025-09-18T16:03:49.643Z","dateUpdated":"2026-05-23T15:24:24.612Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-17T14:53:07.000Z"},"containers":{"cna":{"title":"fbdev: fbcon: release buffer when fbcon_do_set_font() failed","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: fbcon: release buffer when fbcon_do_set_font() failed\n\nsyzbot is reporting memory leak at fbcon_do_set_font() [1], for\ncommit a5a923038d70 (\"fbdev: fbcon: Properly revert changes when\nvc_resize() failed\") missed that the buffer might be newly allocated\nby fbcon_set_font()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"868749a7456dc48e93887a8474194e2ee6d6c21f","status":"affected","lessThan":"5a341810a22e51c3a7a108f7896b5fd58d44d127","versionType":"git"},{"version":"ebd6f886aa2447fcfcdce5450c9e1028e1d681bb","status":"affected","lessThan":"88ec6d11052da527eb9268831e7a9bc5bbad02f6","versionType":"git"},{"version":"a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24","status":"affected","lessThan":"06926607b9fddf7ce8017493899ce6eb7e79a123","versionType":"git"},{"version":"a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24","status":"affected","lessThan":"a609bfc1e644a8467cb31945ed1488374ebdc013","versionType":"git"},{"version":"a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24","status":"affected","lessThan":"3c3bfb8586f848317ceba5d777e11204ba3e5758","versionType":"git"},{"version":"f08ccb792d3eaf1dc62d8cbf6a30d6522329f660","status":"affected","versionType":"git"},{"version":"5.15.64","status":"affected","lessThan":"5.15.86","versionType":"semver"},{"version":"5.19.6","status":"affected","lessThan":"5.20","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/video/fbdev/core/fbcon.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/video/fbdev/core/fbcon.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5a341810a22e51c3a7a108f7896b5fd58d44d127"},{"url":"https://git.kernel.org/stable/c/88ec6d11052da527eb9268831e7a9bc5bbad02f6"},{"url":"https://git.kernel.org/stable/c/06926607b9fddf7ce8017493899ce6eb7e79a123"},{"url":"https://git.kernel.org/stable/c/a609bfc1e644a8467cb31945ed1488374ebdc013"},{"url":"https://git.kernel.org/stable/c/3c3bfb8586f848317ceba5d777e11204ba3e5758"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:24:24.612Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.64","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-50404","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T19:07:12.310932Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","lang":"en","type":"CWE","description":"CWE-401 Missing Release of Memory after Effective Lifetime"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-14T19:13:08.081Z"}}]}}}