{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-54026", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T10:53:46.179Z", "datePublished": "2025-12-24T10:55:55.182Z", "dateUpdated": "2025-12-24T10:55:55.182Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-24T10:55:55.182Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nopp: Fix use-after-free in lazy_opp_tables after probe deferral\n\nWhen dev_pm_opp_of_find_icc_paths() in _allocate_opp_table() returns\n-EPROBE_DEFER, the opp_table is freed again, to wait until all the\ninterconnect paths are available.\n\nHowever, if the OPP table is using required-opps then it may already\nhave been added to the global lazy_opp_tables list. The error path\ndoes not remove the opp_table from the list again.\n\nThis can cause crashes later when the provider of the required-opps\nis added, since we will iterate over OPP tables that have already been\nfreed. E.g.:\n\n Unable to handle kernel NULL pointer dereference when read\n CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 6.4.0-rc3\n PC is at _of_add_opp_table_v2 (include/linux/of.h:949\n drivers/opp/of.c:98 drivers/opp/of.c:344 drivers/opp/of.c:404\n drivers/opp/of.c:1032) -> lazy_link_required_opp_table()\n\nFix this by calling _of_clear_opp_table() to remove the opp_table from\nthe list and clear other allocated resources. While at it, also add the\nmissing mutex_destroy() calls in the error path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/opp/core.c"], "versions": [{"version": "7eba0c7641b0009818e469dbfcdd87a0155ab9d4", "lessThan": "39a0e723d3502f6dc4c603f57ebe8dc7bcc4a4bc", "status": "affected", "versionType": "git"}, {"version": "7eba0c7641b0009818e469dbfcdd87a0155ab9d4", "lessThan": "76ab057de777723ec924654502d1a260ba7d7d54", "status": "affected", "versionType": "git"}, {"version": "7eba0c7641b0009818e469dbfcdd87a0155ab9d4", "lessThan": "c05e76d6b249e5254c31994eedd06dd3cc90dee0", "status": "affected", "versionType": "git"}, {"version": "7eba0c7641b0009818e469dbfcdd87a0155ab9d4", "lessThan": "b2a2ab039bd58f51355e33d7d3fc64605d7f870d", "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/opp/core.c"], "versions": [{"version": "5.12", "status": "affected"}, {"version": "0", "lessThan": "5.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.121", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.40", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4.5", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5", "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": "5.12", "versionEndExcluding": "5.15.121"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.1.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.4.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/39a0e723d3502f6dc4c603f57ebe8dc7bcc4a4bc"}, {"url": "https://git.kernel.org/stable/c/76ab057de777723ec924654502d1a260ba7d7d54"}, {"url": "https://git.kernel.org/stable/c/c05e76d6b249e5254c31994eedd06dd3cc90dee0"}, {"url": "https://git.kernel.org/stable/c/b2a2ab039bd58f51355e33d7d3fc64605d7f870d"}], "title": "opp: Fix use-after-free in lazy_opp_tables after probe deferral", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nopp: Fix use-after-free in lazy_opp_tables after probe deferral\n\nWhen dev_pm_opp_of_find_icc_paths() in _allocate_opp_table() returns\n-EPROBE_DEFER, the opp_table is freed again, to wait until all the\ninterconnect paths are available.\n\nHowever, if the OPP table is using required-opps then it may already\nhave been added to the global lazy_opp_tables list. The error path\ndoes not remove the opp_table from the list again.\n\nThis can cause crashes later when the provider of the required-opps\nis added, since we will iterate over OPP tables that have already been\nfreed. E.g.:\n\n Unable to handle kernel NULL pointer dereference when read\n CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 6.4.0-rc3\n PC is at _of_add_opp_table_v2 (include/linux/of.h:949\n drivers/opp/of.c:98 drivers/opp/of.c:344 drivers/opp/of.c:404\n drivers/opp/of.c:1032) -> lazy_link_required_opp_table()\n\nFix this by calling _of_clear_opp_table() to remove the opp_table from\nthe list and clear other allocated resources. While at it, also add the\nmissing mutex_destroy() calls in the error path."}], "id": "CVE-2023-54026", "lastModified": "2025-12-24T11:15:55.610", "metrics": {}, "published": "2025-12-24T11:15:55.610", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/39a0e723d3502f6dc4c603f57ebe8dc7bcc4a4bc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/76ab057de777723ec924654502d1a260ba7d7d54"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b2a2ab039bd58f51355e33d7d3fc64605d7f870d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c05e76d6b249e5254c31994eedd06dd3cc90dee0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}