{"id":"CVE-2025-39920","state":"PUBLISHED","title":"pcmcia: Add error handling for add_interval() in do_validate_mem()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npcmcia: Add error handling for add_interval() in do_validate_mem()\n\nIn the do_validate_mem(), the call to add_interval() does not\nhandle errors. If kmalloc() fails in add_interval(), it could\nresult in a null pointer being inserted into the linked list,\nleading to illegal memory access when sub_interval() is called\nnext.\n\nThis patch adds an error handling for the add_interval(). If\nadd_interval() returns an error, the function will return early\nwith the error code.","publishedAt":"2025-10-01T07:55:15.731Z","updatedAt":"2026-05-11T21:38:58.334Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"5b60ed401b47897352c520bc724c85aa908dedcc","versionType":"git"},{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"ae184024ef31423e5beb44cf4f52999bbcf2fe5b","versionType":"git"},{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"85be7ef8c8e792a414940a38d94565dd48d2f236","versionType":"git"},{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"06b26e3099207c94b3d1be8565aedc6edc4f0a60","versionType":"git"},{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"8699358b6ac99b8ccc97ed9e6e3669ef8958ef7b","versionType":"git"},{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"289b58f8ff3198d091074a751d6b8f6827726f3e","versionType":"git"},{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"369bf6e241506583f4ee7593c53b92e5a9f271b4","versionType":"git"},{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"4a81f78caa53e0633cf311ca1526377d9bff7479","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pcmcia/rsrc_nonstatic.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.34","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.34","versionType":"semver"},{"version":"5.4.299","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.243","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.192","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.151","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.105","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.46","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.6","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pcmcia/rsrc_nonstatic.c"]}],"references":["https://git.kernel.org/stable/c/5b60ed401b47897352c520bc724c85aa908dedcc","https://git.kernel.org/stable/c/ae184024ef31423e5beb44cf4f52999bbcf2fe5b","https://git.kernel.org/stable/c/85be7ef8c8e792a414940a38d94565dd48d2f236","https://git.kernel.org/stable/c/06b26e3099207c94b3d1be8565aedc6edc4f0a60","https://git.kernel.org/stable/c/8699358b6ac99b8ccc97ed9e6e3669ef8958ef7b","https://git.kernel.org/stable/c/289b58f8ff3198d091074a751d6b8f6827726f3e","https://git.kernel.org/stable/c/369bf6e241506583f4ee7593c53b92e5a9f271b4","https://git.kernel.org/stable/c/4a81f78caa53e0633cf311ca1526377d9bff7479","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/39xxx/CVE-2025-39920.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39920","state":"PUBLISHED","datePublished":"2025-10-01T07:55:15.731Z","dateUpdated":"2026-05-11T21:38:58.334Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.147Z"},"containers":{"cna":{"title":"pcmcia: Add error handling for add_interval() in do_validate_mem()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npcmcia: Add error handling for add_interval() in do_validate_mem()\n\nIn the do_validate_mem(), the call to add_interval() does not\nhandle errors. If kmalloc() fails in add_interval(), it could\nresult in a null pointer being inserted into the linked list,\nleading to illegal memory access when sub_interval() is called\nnext.\n\nThis patch adds an error handling for the add_interval(). If\nadd_interval() returns an error, the function will return early\nwith the error code."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"5b60ed401b47897352c520bc724c85aa908dedcc","versionType":"git"},{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"ae184024ef31423e5beb44cf4f52999bbcf2fe5b","versionType":"git"},{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"85be7ef8c8e792a414940a38d94565dd48d2f236","versionType":"git"},{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"06b26e3099207c94b3d1be8565aedc6edc4f0a60","versionType":"git"},{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"8699358b6ac99b8ccc97ed9e6e3669ef8958ef7b","versionType":"git"},{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"289b58f8ff3198d091074a751d6b8f6827726f3e","versionType":"git"},{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"369bf6e241506583f4ee7593c53b92e5a9f271b4","versionType":"git"},{"version":"7b4884ca8853a638df0eb5d251d80d67777b8b1a","status":"affected","lessThan":"4a81f78caa53e0633cf311ca1526377d9bff7479","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pcmcia/rsrc_nonstatic.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.34","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.34","versionType":"semver"},{"version":"5.4.299","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.243","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.192","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.151","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.105","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.46","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.6","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pcmcia/rsrc_nonstatic.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5b60ed401b47897352c520bc724c85aa908dedcc"},{"url":"https://git.kernel.org/stable/c/ae184024ef31423e5beb44cf4f52999bbcf2fe5b"},{"url":"https://git.kernel.org/stable/c/85be7ef8c8e792a414940a38d94565dd48d2f236"},{"url":"https://git.kernel.org/stable/c/06b26e3099207c94b3d1be8565aedc6edc4f0a60"},{"url":"https://git.kernel.org/stable/c/8699358b6ac99b8ccc97ed9e6e3669ef8958ef7b"},{"url":"https://git.kernel.org/stable/c/289b58f8ff3198d091074a751d6b8f6827726f3e"},{"url":"https://git.kernel.org/stable/c/369bf6e241506583f4ee7593c53b92e5a9f271b4"},{"url":"https://git.kernel.org/stable/c/4a81f78caa53e0633cf311ca1526377d9bff7479"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:38:58.334Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.4.299"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.10.243"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.15.192"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"6.1.151"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"6.6.105"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"6.12.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"6.16.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"6.17"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T17:44:40.739Z"}}]}}}