{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50423","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-09-17T14:53:07.004Z","datePublished":"2025-10-01T11:41:56.083Z","dateUpdated":"2026-05-11T19:19:12.324Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:19:12.324Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage()\n\nThere is an use-after-free reported by KASAN:\n\n  BUG: KASAN: use-after-free in acpi_ut_remove_reference+0x3b/0x82\n  Read of size 1 at addr ffff888112afc460 by task modprobe/2111\n  CPU: 0 PID: 2111 Comm: modprobe Not tainted 6.1.0-rc7-dirty\n  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),\n  Call Trace:\n   <TASK>\n   kasan_report+0xae/0xe0\n   acpi_ut_remove_reference+0x3b/0x82\n   acpi_ut_copy_iobject_to_iobject+0x3be/0x3d5\n   acpi_ds_store_object_to_local+0x15d/0x3a0\n   acpi_ex_store+0x78d/0x7fd\n   acpi_ex_opcode_1A_1T_1R+0xbe4/0xf9b\n   acpi_ps_parse_aml+0x217/0x8d5\n   ...\n   </TASK>\n\nThe root cause of the problem is that the acpi_operand_object\nis freed when acpi_ut_walk_package_tree() fails in\nacpi_ut_copy_ipackage_to_ipackage(), lead to repeated release in\nacpi_ut_copy_iobject_to_iobject(). The problem was introduced\nby \"8aa5e56eeb61\" commit, this commit is to fix memory leak in\nacpi_ut_copy_iobject_to_iobject(), repeatedly adding remove\noperation, lead to \"acpi_operand_object\" used after free.\n\nFix it by removing acpi_ut_remove_reference() in\nacpi_ut_copy_ipackage_to_ipackage(). acpi_ut_copy_ipackage_to_ipackage()\nis called to copy an internal package object into another internal\npackage object, when it fails, the memory of acpi_operand_object\nshould be freed by the caller."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/acpica/utcopy.c"],"versions":[{"version":"8aa5e56eeb61a099ea6519eb30ee399e1bc043ce","lessThan":"133462d35dae95edb944af86b986d4c9dec59bd1","status":"affected","versionType":"git"},{"version":"8aa5e56eeb61a099ea6519eb30ee399e1bc043ce","lessThan":"02f237423c9c6a18e062de2d474f85d5659e4eb9","status":"affected","versionType":"git"},{"version":"8aa5e56eeb61a099ea6519eb30ee399e1bc043ce","lessThan":"c9125b643fc51b8e662f2f614096ceb45a0adbc3","status":"affected","versionType":"git"},{"version":"8aa5e56eeb61a099ea6519eb30ee399e1bc043ce","lessThan":"dfdde4d5138bc023897033a5ac653a84e94805be","status":"affected","versionType":"git"},{"version":"8aa5e56eeb61a099ea6519eb30ee399e1bc043ce","lessThan":"02617006b5a46f2ea55ac61f5693c7afd7bf9276","status":"affected","versionType":"git"},{"version":"8aa5e56eeb61a099ea6519eb30ee399e1bc043ce","lessThan":"6fde666278f91b85d71545a0ebbf41d8d7af8074","status":"affected","versionType":"git"},{"version":"8aa5e56eeb61a099ea6519eb30ee399e1bc043ce","lessThan":"f51b2235e4f320edc839c3e5cb0d1f8a6e8657c6","status":"affected","versionType":"git"},{"version":"8aa5e56eeb61a099ea6519eb30ee399e1bc043ce","lessThan":"01f2c2052ea50fb9a8ce12e4e83aed0267934ef0","status":"affected","versionType":"git"},{"version":"8aa5e56eeb61a099ea6519eb30ee399e1bc043ce","lessThan":"470188b09e92d83c5a997f25f0e8fb8cd2bc3469","status":"affected","versionType":"git"},{"version":"b3e98f0c4f996cd53b80bad71f0d7e4a2cf3a4e8","status":"affected","versionType":"git"},{"version":"7af5504c102a378376101dbd160246b10a814dd0","status":"affected","versionType":"git"},{"version":"e29a15484d7ea949e49ae7fb7e576a575da824a6","status":"affected","versionType":"git"},{"version":"e2ab6731a36966d042a2d4dabd980496cd680f75","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/utcopy.c"],"versions":[{"version":"3.17","status":"affected"},{"version":"0","lessThan":"3.17","status":"unaffected","versionType":"semver"},{"version":"4.9.337","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.303","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.270","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.229","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.163","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.86","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.16","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1.2","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.2","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":"3.17","versionEndExcluding":"4.9.337"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"6.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12.29"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.14.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16.3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/133462d35dae95edb944af86b986d4c9dec59bd1"},{"url":"https://git.kernel.org/stable/c/02f237423c9c6a18e062de2d474f85d5659e4eb9"},{"url":"https://git.kernel.org/stable/c/c9125b643fc51b8e662f2f614096ceb45a0adbc3"},{"url":"https://git.kernel.org/stable/c/dfdde4d5138bc023897033a5ac653a84e94805be"},{"url":"https://git.kernel.org/stable/c/02617006b5a46f2ea55ac61f5693c7afd7bf9276"},{"url":"https://git.kernel.org/stable/c/6fde666278f91b85d71545a0ebbf41d8d7af8074"},{"url":"https://git.kernel.org/stable/c/f51b2235e4f320edc839c3e5cb0d1f8a6e8657c6"},{"url":"https://git.kernel.org/stable/c/01f2c2052ea50fb9a8ce12e4e83aed0267934ef0"},{"url":"https://git.kernel.org/stable/c/470188b09e92d83c5a997f25f0e8fb8cd2bc3469"}],"title":"ACPICA: Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"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-2022-50423","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-01-14T17:39:57.539191Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-416","description":"CWE-416 Use After Free"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-01-14T17:42:46.653Z"}}]}}