{"id":"CVE-2025-38390","state":"PUBLISHED","title":"firmware: arm_ffa: Fix memory leak by freeing notifier callback node","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_ffa: Fix memory leak by freeing notifier callback node\n\nCommit e0573444edbf (\"firmware: arm_ffa: Add interfaces to request\nnotification callbacks\") adds support for notifier callbacks by allocating\nand inserting a callback node into a hashtable during registration of\nnotifiers. However, during unregistration, the code only removes the\nnode from the hashtable without freeing the associated memory, resulting\nin a memory leak.\n\nResolve the memory leak issue by ensuring the allocated notifier callback\nnode is properly freed after it is removed from the hashtable entry.","publishedAt":"2025-07-25T12:53:30.311Z","updatedAt":"2026-05-11T21:27:03.426Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e0573444edbf4ee7e3c191d3d08a4ccbd26628be","status":"affected","lessThan":"076fa20b4f5737c34921dbb152f9efceaee571b2","versionType":"git"},{"version":"e0573444edbf4ee7e3c191d3d08a4ccbd26628be","status":"affected","lessThan":"938827c440564b2cf2f9b804d1fe81ce8267eded","versionType":"git"},{"version":"e0573444edbf4ee7e3c191d3d08a4ccbd26628be","status":"affected","lessThan":"a833d31ad867103ba72a0b73f3606f4ab8601719","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/firmware/arm_ffa/driver.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.37","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.6","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/firmware/arm_ffa/driver.c"]}],"references":["https://git.kernel.org/stable/c/076fa20b4f5737c34921dbb152f9efceaee571b2","https://git.kernel.org/stable/c/938827c440564b2cf2f9b804d1fe81ce8267eded","https://git.kernel.org/stable/c/a833d31ad867103ba72a0b73f3606f4ab8601719"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38390.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38390","state":"PUBLISHED","datePublished":"2025-07-25T12:53:30.311Z","dateUpdated":"2026-05-11T21:27:03.426Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:24.011Z"},"containers":{"cna":{"title":"firmware: arm_ffa: Fix memory leak by freeing notifier callback node","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_ffa: Fix memory leak by freeing notifier callback node\n\nCommit e0573444edbf (\"firmware: arm_ffa: Add interfaces to request\nnotification callbacks\") adds support for notifier callbacks by allocating\nand inserting a callback node into a hashtable during registration of\nnotifiers. However, during unregistration, the code only removes the\nnode from the hashtable without freeing the associated memory, resulting\nin a memory leak.\n\nResolve the memory leak issue by ensuring the allocated notifier callback\nnode is properly freed after it is removed from the hashtable entry."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e0573444edbf4ee7e3c191d3d08a4ccbd26628be","status":"affected","lessThan":"076fa20b4f5737c34921dbb152f9efceaee571b2","versionType":"git"},{"version":"e0573444edbf4ee7e3c191d3d08a4ccbd26628be","status":"affected","lessThan":"938827c440564b2cf2f9b804d1fe81ce8267eded","versionType":"git"},{"version":"e0573444edbf4ee7e3c191d3d08a4ccbd26628be","status":"affected","lessThan":"a833d31ad867103ba72a0b73f3606f4ab8601719","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/firmware/arm_ffa/driver.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.37","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.6","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/firmware/arm_ffa/driver.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/076fa20b4f5737c34921dbb152f9efceaee571b2"},{"url":"https://git.kernel.org/stable/c/938827c440564b2cf2f9b804d1fe81ce8267eded"},{"url":"https://git.kernel.org/stable/c/a833d31ad867103ba72a0b73f3606f4ab8601719"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:27:03.426Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.37"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.15.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.16"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}