{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38344","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T04:51:24.006Z","datePublished":"2025-07-10T08:15:12.791Z","dateUpdated":"2026-05-11T21:26:10.671Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:26:10.671Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: fix acpi parse and parseext cache leaks\n\nACPICA commit 8829e70e1360c81e7a5a901b5d4f48330e021ea5\n\nI'm Seunghun Han, and I work for National Security Research Institute of\nSouth Korea.\n\nI have been doing a research on ACPI and found an ACPI cache leak in ACPI\nearly abort cases.\n\nBoot log of ACPI cache leak is as follows:\n[    0.352414] ACPI: Added _OSI(Module Device)\n[    0.353182] ACPI: Added _OSI(Processor Device)\n[    0.353182] ACPI: Added _OSI(3.0 _SCP Extensions)\n[    0.353182] ACPI: Added _OSI(Processor Aggregator Device)\n[    0.356028] ACPI: Unable to start the ACPI Interpreter\n[    0.356799] ACPI Error: Could not remove SCI handler (20170303/evmisc-281)\n[    0.360215] kmem_cache_destroy Acpi-State: Slab cache still has objects\n[    0.360648] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G        W\n4.12.0-rc4-next-20170608+ #10\n[    0.361273] Hardware name: innotek gmb_h virtual_box/virtual_box, BIOS\nvirtual_box 12/01/2006\n[    0.361873] Call Trace:\n[    0.362243]  ? dump_stack+0x5c/0x81\n[    0.362591]  ? kmem_cache_destroy+0x1aa/0x1c0\n[    0.362944]  ? acpi_sleep_proc_init+0x27/0x27\n[    0.363296]  ? acpi_os_delete_cache+0xa/0x10\n[    0.363646]  ? acpi_ut_delete_caches+0x6d/0x7b\n[    0.364000]  ? acpi_terminate+0xa/0x14\n[    0.364000]  ? acpi_init+0x2af/0x34f\n[    0.364000]  ? __class_create+0x4c/0x80\n[    0.364000]  ? video_setup+0x7f/0x7f\n[    0.364000]  ? acpi_sleep_proc_init+0x27/0x27\n[    0.364000]  ? do_one_initcall+0x4e/0x1a0\n[    0.364000]  ? kernel_init_freeable+0x189/0x20a\n[    0.364000]  ? rest_init+0xc0/0xc0\n[    0.364000]  ? kernel_init+0xa/0x100\n[    0.364000]  ? ret_from_fork+0x25/0x30\n\nI analyzed this memory leak in detail. I found that “Acpi-State” cache and\n“Acpi-Parse” cache were merged because the size of cache objects was same\nslab cache size.\n\nI finally found “Acpi-Parse” cache and “Acpi-parse_ext” cache were leaked\nusing SLAB_NEVER_MERGE flag in kmem_cache_create() function.\n\nReal ACPI cache leak point is as follows:\n[    0.360101] ACPI: Added _OSI(Module Device)\n[    0.360101] ACPI: Added _OSI(Processor Device)\n[    0.360101] ACPI: Added _OSI(3.0 _SCP Extensions)\n[    0.361043] ACPI: Added _OSI(Processor Aggregator Device)\n[    0.364016] ACPI: Unable to start the ACPI Interpreter\n[    0.365061] ACPI Error: Could not remove SCI handler (20170303/evmisc-281)\n[    0.368174] kmem_cache_destroy Acpi-Parse: Slab cache still has objects\n[    0.369332] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G        W\n4.12.0-rc4-next-20170608+ #8\n[    0.371256] Hardware name: innotek gmb_h virtual_box/virtual_box, BIOS\nvirtual_box 12/01/2006\n[    0.372000] Call Trace:\n[    0.372000]  ? dump_stack+0x5c/0x81\n[    0.372000]  ? kmem_cache_destroy+0x1aa/0x1c0\n[    0.372000]  ? acpi_sleep_proc_init+0x27/0x27\n[    0.372000]  ? acpi_os_delete_cache+0xa/0x10\n[    0.372000]  ? acpi_ut_delete_caches+0x56/0x7b\n[    0.372000]  ? acpi_terminate+0xa/0x14\n[    0.372000]  ? acpi_init+0x2af/0x34f\n[    0.372000]  ? __class_create+0x4c/0x80\n[    0.372000]  ? video_setup+0x7f/0x7f\n[    0.372000]  ? acpi_sleep_proc_init+0x27/0x27\n[    0.372000]  ? do_one_initcall+0x4e/0x1a0\n[    0.372000]  ? kernel_init_freeable+0x189/0x20a\n[    0.372000]  ? rest_init+0xc0/0xc0\n[    0.372000]  ? kernel_init+0xa/0x100\n[    0.372000]  ? ret_from_fork+0x25/0x30\n[    0.388039] kmem_cache_destroy Acpi-parse_ext: Slab cache still has objects\n[    0.389063] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G        W\n4.12.0-rc4-next-20170608+ #8\n[    0.390557] Hardware name: innotek gmb_h virtual_box/virtual_box, BIOS\nvirtual_box 12/01/2006\n[    0.392000] Call Trace:\n[    0.392000]  ? dump_stack+0x5c/0x81\n[    0.392000]  ? kmem_cache_destroy+0x1aa/0x1c0\n[    0.392000]  ? acpi_sleep_proc_init+0x27/0x27\n[    0.392000]  ? acpi_os_delete_cache+0xa/0x10\n[    0.392000]  ? acpi_ut_delete_caches+0x6d/0x7b\n[    0.392000]  ? acpi_terminate+0xa/0x14\n[    0.392000]  ? acpi_init+0x2af/0x3\n---truncated---"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/acpica/psobject.c"],"versions":[{"version":"88ac00f5a841dcfc5c682000f4a6add0add8caac","lessThan":"1e0e629e88b1f7751ce69bf70cda6d1598d45271","status":"affected","versionType":"git"},{"version":"88ac00f5a841dcfc5c682000f4a6add0add8caac","lessThan":"41afebc9a0762aafc35d2df88f4e1b798155a940","status":"affected","versionType":"git"},{"version":"88ac00f5a841dcfc5c682000f4a6add0add8caac","lessThan":"960236150cd3f08e13b397dd5ae4ccf7a2986c00","status":"affected","versionType":"git"},{"version":"88ac00f5a841dcfc5c682000f4a6add0add8caac","lessThan":"0a119fdaed67566aa3e0b5222dced4d08bbce463","status":"affected","versionType":"git"},{"version":"88ac00f5a841dcfc5c682000f4a6add0add8caac","lessThan":"1fee4324b5660de080cefc3fc91c371543bdb8f6","status":"affected","versionType":"git"},{"version":"88ac00f5a841dcfc5c682000f4a6add0add8caac","lessThan":"198c2dab022e5e94a99fff267b669d693bc7bb49","status":"affected","versionType":"git"},{"version":"88ac00f5a841dcfc5c682000f4a6add0add8caac","lessThan":"3e0c59180ec83bdec43b3d3482cff23d86d380d0","status":"affected","versionType":"git"},{"version":"88ac00f5a841dcfc5c682000f4a6add0add8caac","lessThan":"bed18f0bdcd6737a938264a59d67923688696fc4","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/acpica/psobject.c"],"versions":[{"version":"2.6.14","status":"affected"},{"version":"0","lessThan":"2.6.14","status":"unaffected","versionType":"semver"},{"version":"5.4.295","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.239","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.186","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.142","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.95","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.35","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.15.4","lessThanOrEqual":"6.15.*","status":"unaffected","versionType":"semver"},{"version":"6.16","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.4.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.10.239"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.15.186"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.1.142"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.6.95"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.12.35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.15.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/1e0e629e88b1f7751ce69bf70cda6d1598d45271"},{"url":"https://git.kernel.org/stable/c/41afebc9a0762aafc35d2df88f4e1b798155a940"},{"url":"https://git.kernel.org/stable/c/960236150cd3f08e13b397dd5ae4ccf7a2986c00"},{"url":"https://git.kernel.org/stable/c/0a119fdaed67566aa3e0b5222dced4d08bbce463"},{"url":"https://git.kernel.org/stable/c/1fee4324b5660de080cefc3fc91c371543bdb8f6"},{"url":"https://git.kernel.org/stable/c/198c2dab022e5e94a99fff267b669d693bc7bb49"},{"url":"https://git.kernel.org/stable/c/3e0c59180ec83bdec43b3d3482cff23d86d380d0"},{"url":"https://git.kernel.org/stable/c/bed18f0bdcd6737a938264a59d67923688696fc4"}],"title":"ACPICA: fix acpi parse and parseext cache leaks","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":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T17:36:51.372Z"}}]}}