{"id":"CVE-2022-49047","state":"PUBLISHED","title":"ep93xx: clock: Fix UAF in ep93xx_clk_register_gate()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nep93xx: clock: Fix UAF in ep93xx_clk_register_gate()\n\narch/arm/mach-ep93xx/clock.c:154:2: warning: Use of memory after it is freed [clang-analyzer-unix.Malloc]\narch/arm/mach-ep93xx/clock.c:151:2: note: Taking true branch\nif (IS_ERR(clk))\n^\narch/arm/mach-ep93xx/clock.c:152:3: note: Memory is released\nkfree(psc);\n^~~~~~~~~~\narch/arm/mach-ep93xx/clock.c:154:2: note: Use of memory after it is freed\nreturn &psc->hw;\n^ ~~~~~~~~","publishedAt":"2025-02-26T01:54:23.471Z","updatedAt":"2026-05-11T18:52:00.307Z","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":"9645ccc7bd7a16cd73c3be9dee70cd702b03be37","status":"affected","lessThan":"0f12166872da46c6b57ba2f1314bbf310b3bf017","versionType":"git"},{"version":"9645ccc7bd7a16cd73c3be9dee70cd702b03be37","status":"affected","lessThan":"3b68b08885217abd9c57ff9b3bb3eb173eee02a9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm/mach-ep93xx/clock.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"5.17.4","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm/mach-ep93xx/clock.c"]}],"references":["https://git.kernel.org/stable/c/0f12166872da46c6b57ba2f1314bbf310b3bf017","https://git.kernel.org/stable/c/3b68b08885217abd9c57ff9b3bb3eb173eee02a9"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49047.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49047","state":"PUBLISHED","datePublished":"2025-02-26T01:54:23.471Z","dateUpdated":"2026-05-11T18:52:00.307Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T01:49:39.242Z"},"containers":{"cna":{"title":"ep93xx: clock: Fix UAF in ep93xx_clk_register_gate()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nep93xx: clock: Fix UAF in ep93xx_clk_register_gate()\n\narch/arm/mach-ep93xx/clock.c:154:2: warning: Use of memory after it is freed [clang-analyzer-unix.Malloc]\narch/arm/mach-ep93xx/clock.c:151:2: note: Taking true branch\nif (IS_ERR(clk))\n^\narch/arm/mach-ep93xx/clock.c:152:3: note: Memory is released\nkfree(psc);\n^~~~~~~~~~\narch/arm/mach-ep93xx/clock.c:154:2: note: Use of memory after it is freed\nreturn &psc->hw;\n^ ~~~~~~~~"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9645ccc7bd7a16cd73c3be9dee70cd702b03be37","status":"affected","lessThan":"0f12166872da46c6b57ba2f1314bbf310b3bf017","versionType":"git"},{"version":"9645ccc7bd7a16cd73c3be9dee70cd702b03be37","status":"affected","lessThan":"3b68b08885217abd9c57ff9b3bb3eb173eee02a9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm/mach-ep93xx/clock.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"5.17.4","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm/mach-ep93xx/clock.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0f12166872da46c6b57ba2f1314bbf310b3bf017"},{"url":"https://git.kernel.org/stable/c/3b68b08885217abd9c57ff9b3bb3eb173eee02a9"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:52:00.307Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.17.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.18"}]}]}],"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-2022-49047","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-02-27T17:59:30.647734Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","lang":"en","type":"CWE","description":"CWE-416 Use After Free"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-27T18:02:30.354Z"}}]}}}