{"id":"CVE-2023-53613","state":"PUBLISHED","title":"dax: Fix dax_mapping_release() use after free","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndax: Fix dax_mapping_release() use after free\n\nA CONFIG_DEBUG_KOBJECT_RELEASE test of removing a device-dax region\nprovider (like modprobe -r dax_hmem) yields:\n\n kobject: 'mapping0' (ffff93eb460e8800): kobject_release, parent 0000000000000000 (delayed 2000)\n [..]\n DEBUG_LOCKS_WARN_ON(1)\n WARNING: CPU: 23 PID: 282 at kernel/locking/lockdep.c:232 __lock_acquire+0x9fc/0x2260\n [..]\n RIP: 0010:__lock_acquire+0x9fc/0x2260\n [..]\n Call Trace:\n  <TASK>\n [..]\n  lock_acquire+0xd4/0x2c0\n  ? ida_free+0x62/0x130\n  _raw_spin_lock_irqsave+0x47/0x70\n  ? ida_free+0x62/0x130\n  ida_free+0x62/0x130\n  dax_mapping_release+0x1f/0x30\n  device_release+0x36/0x90\n  kobject_delayed_cleanup+0x46/0x150\n\nDue to attempting ida_free() on an ida object that has already been\nfreed. Devices typically only hold a reference on their parent while\nregistered. If a child needs a parent object to complete its release it\nneeds to hold a reference that it drops from its release callback.\nArrange for a dax_mapping to pin its parent dev_dax instance until\ndax_mapping_release().","publishedAt":"2025-10-04T15:44:20.998Z","updatedAt":"2026-05-11T19:48:32.814Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0b07ce872a9eca1ff88c0eb7f6e92dde127d21ca","status":"affected","lessThan":"94a85474f5e3e518bdbf8c9f51cb343d734a04f7","versionType":"git"},{"version":"0b07ce872a9eca1ff88c0eb7f6e92dde127d21ca","status":"affected","lessThan":"9c2f993b6ca903c030d58451b5bf9ea27d0d17fa","versionType":"git"},{"version":"0b07ce872a9eca1ff88c0eb7f6e92dde127d21ca","status":"affected","lessThan":"03859868ab82d57bfdd0cea1bf31f9319a5dded0","versionType":"git"},{"version":"0b07ce872a9eca1ff88c0eb7f6e92dde127d21ca","status":"affected","lessThan":"f76db6781d76d8464ec2faa9752cc3fb2e4f6923","versionType":"git"},{"version":"0b07ce872a9eca1ff88c0eb7f6e92dde127d21ca","status":"affected","lessThan":"7310b84821f043dcf77d5e6aa0ad55dc1e10a11d","versionType":"git"},{"version":"0b07ce872a9eca1ff88c0eb7f6e92dde127d21ca","status":"affected","lessThan":"6d24b170a9db0456f577b1ab01226a2254c016a8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dax/bus.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.188","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.121","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.39","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.13","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4.4","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dax/bus.c"]}],"references":["https://git.kernel.org/stable/c/94a85474f5e3e518bdbf8c9f51cb343d734a04f7","https://git.kernel.org/stable/c/9c2f993b6ca903c030d58451b5bf9ea27d0d17fa","https://git.kernel.org/stable/c/03859868ab82d57bfdd0cea1bf31f9319a5dded0","https://git.kernel.org/stable/c/f76db6781d76d8464ec2faa9752cc3fb2e4f6923","https://git.kernel.org/stable/c/7310b84821f043dcf77d5e6aa0ad55dc1e10a11d","https://git.kernel.org/stable/c/6d24b170a9db0456f577b1ab01226a2254c016a8"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53613.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53613","state":"PUBLISHED","datePublished":"2025-10-04T15:44:20.998Z","dateUpdated":"2026-05-11T19:48:32.814Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-04T15:40:38.480Z"},"containers":{"cna":{"title":"dax: Fix dax_mapping_release() use after free","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndax: Fix dax_mapping_release() use after free\n\nA CONFIG_DEBUG_KOBJECT_RELEASE test of removing a device-dax region\nprovider (like modprobe -r dax_hmem) yields:\n\n kobject: 'mapping0' (ffff93eb460e8800): kobject_release, parent 0000000000000000 (delayed 2000)\n [..]\n DEBUG_LOCKS_WARN_ON(1)\n WARNING: CPU: 23 PID: 282 at kernel/locking/lockdep.c:232 __lock_acquire+0x9fc/0x2260\n [..]\n RIP: 0010:__lock_acquire+0x9fc/0x2260\n [..]\n Call Trace:\n  <TASK>\n [..]\n  lock_acquire+0xd4/0x2c0\n  ? ida_free+0x62/0x130\n  _raw_spin_lock_irqsave+0x47/0x70\n  ? ida_free+0x62/0x130\n  ida_free+0x62/0x130\n  dax_mapping_release+0x1f/0x30\n  device_release+0x36/0x90\n  kobject_delayed_cleanup+0x46/0x150\n\nDue to attempting ida_free() on an ida object that has already been\nfreed. Devices typically only hold a reference on their parent while\nregistered. If a child needs a parent object to complete its release it\nneeds to hold a reference that it drops from its release callback.\nArrange for a dax_mapping to pin its parent dev_dax instance until\ndax_mapping_release()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0b07ce872a9eca1ff88c0eb7f6e92dde127d21ca","status":"affected","lessThan":"94a85474f5e3e518bdbf8c9f51cb343d734a04f7","versionType":"git"},{"version":"0b07ce872a9eca1ff88c0eb7f6e92dde127d21ca","status":"affected","lessThan":"9c2f993b6ca903c030d58451b5bf9ea27d0d17fa","versionType":"git"},{"version":"0b07ce872a9eca1ff88c0eb7f6e92dde127d21ca","status":"affected","lessThan":"03859868ab82d57bfdd0cea1bf31f9319a5dded0","versionType":"git"},{"version":"0b07ce872a9eca1ff88c0eb7f6e92dde127d21ca","status":"affected","lessThan":"f76db6781d76d8464ec2faa9752cc3fb2e4f6923","versionType":"git"},{"version":"0b07ce872a9eca1ff88c0eb7f6e92dde127d21ca","status":"affected","lessThan":"7310b84821f043dcf77d5e6aa0ad55dc1e10a11d","versionType":"git"},{"version":"0b07ce872a9eca1ff88c0eb7f6e92dde127d21ca","status":"affected","lessThan":"6d24b170a9db0456f577b1ab01226a2254c016a8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dax/bus.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.188","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.121","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.39","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.13","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4.4","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dax/bus.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/94a85474f5e3e518bdbf8c9f51cb343d734a04f7"},{"url":"https://git.kernel.org/stable/c/9c2f993b6ca903c030d58451b5bf9ea27d0d17fa"},{"url":"https://git.kernel.org/stable/c/03859868ab82d57bfdd0cea1bf31f9319a5dded0"},{"url":"https://git.kernel.org/stable/c/f76db6781d76d8464ec2faa9752cc3fb2e4f6923"},{"url":"https://git.kernel.org/stable/c/7310b84821f043dcf77d5e6aa0ad55dc1e10a11d"},{"url":"https://git.kernel.org/stable/c/6d24b170a9db0456f577b1ab01226a2254c016a8"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:48:32.814Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.10.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.15.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.1.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.3.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.4.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.5"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}