{"id":"CVE-2026-89468","state":"PUBLISHED","title":"power: supply: lp8788-charger: fix use-after-free on remove","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: lp8788-charger: fix use-after-free on remove\n\nlp8788_charger_remove() flushes charger_work before unregistering the\nIRQs. An IRQ thread can queue charger_work after flush_work() has\nreturned. The work can then run after devres frees pchg and dereference\nit in lp8788_charger_event().\n\nUnregister the IRQs first. free_irq() waits for any running threaded\nhandler, so no handler can queue more work afterwards. Then use\ncancel_work_sync() to cancel pending work or wait for running work to\nfinish.\n\nThis issue was found by an in-house static analysis tool.","publishedAt":"2026-09-11T19:43:27.906Z","updatedAt":"2026-10-30T12:31:49.548Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"98a2766493589c18c327ae3dad5243b53fcb5f70","status":"affected","lessThan":"8758fe39a993f86998c8071826150b8859902497","versionType":"git"},{"version":"98a2766493589c18c327ae3dad5243b53fcb5f70","status":"affected","lessThan":"4e3d3923976a986cc3cf960d13f1264cea8a9bba","versionType":"git"},{"version":"98a2766493589c18c327ae3dad5243b53fcb5f70","status":"affected","lessThan":"88d8eadfad5d9ff967e74090152940bcfa27df69","versionType":"git"},{"version":"98a2766493589c18c327ae3dad5243b53fcb5f70","status":"affected","lessThan":"b3aa1e9509e1b0a863353356d617fb45d1b6250a","versionType":"git"},{"version":"98a2766493589c18c327ae3dad5243b53fcb5f70","status":"affected","lessThan":"b4eb6a056b441ba0caedfbfc42cec501acf12f67","versionType":"git"},{"version":"98a2766493589c18c327ae3dad5243b53fcb5f70","status":"affected","lessThan":"831c29a12d560f8a3225f43050b3fbb5dfd79c66","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/power/supply/lp8788-charger.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.7","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.109","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/power/supply/lp8788-charger.c"]}],"references":["https://git.kernel.org/stable/c/8758fe39a993f86998c8071826150b8859902497","https://git.kernel.org/stable/c/4e3d3923976a986cc3cf960d13f1264cea8a9bba","https://git.kernel.org/stable/c/88d8eadfad5d9ff967e74090152940bcfa27df69","https://git.kernel.org/stable/c/b3aa1e9509e1b0a863353356d617fb45d1b6250a","https://git.kernel.org/stable/c/b4eb6a056b441ba0caedfbfc42cec501acf12f67","https://git.kernel.org/stable/c/831c29a12d560f8a3225f43050b3fbb5dfd79c66"],"weaknesses":[],"ingestedAt":"2026-10-30T12:50:04.827Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89468.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89468","state":"PUBLISHED","datePublished":"2026-09-11T19:43:27.906Z","dateUpdated":"2026-10-30T12:31:49.548Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.709Z"},"containers":{"cna":{"title":"power: supply: lp8788-charger: fix use-after-free on remove","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: lp8788-charger: fix use-after-free on remove\n\nlp8788_charger_remove() flushes charger_work before unregistering the\nIRQs. An IRQ thread can queue charger_work after flush_work() has\nreturned. The work can then run after devres frees pchg and dereference\nit in lp8788_charger_event().\n\nUnregister the IRQs first. free_irq() waits for any running threaded\nhandler, so no handler can queue more work afterwards. Then use\ncancel_work_sync() to cancel pending work or wait for running work to\nfinish.\n\nThis issue was found by an in-house static analysis tool."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"98a2766493589c18c327ae3dad5243b53fcb5f70","status":"affected","lessThan":"8758fe39a993f86998c8071826150b8859902497","versionType":"git"},{"version":"98a2766493589c18c327ae3dad5243b53fcb5f70","status":"affected","lessThan":"4e3d3923976a986cc3cf960d13f1264cea8a9bba","versionType":"git"},{"version":"98a2766493589c18c327ae3dad5243b53fcb5f70","status":"affected","lessThan":"88d8eadfad5d9ff967e74090152940bcfa27df69","versionType":"git"},{"version":"98a2766493589c18c327ae3dad5243b53fcb5f70","status":"affected","lessThan":"b3aa1e9509e1b0a863353356d617fb45d1b6250a","versionType":"git"},{"version":"98a2766493589c18c327ae3dad5243b53fcb5f70","status":"affected","lessThan":"b4eb6a056b441ba0caedfbfc42cec501acf12f67","versionType":"git"},{"version":"98a2766493589c18c327ae3dad5243b53fcb5f70","status":"affected","lessThan":"831c29a12d560f8a3225f43050b3fbb5dfd79c66","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/power/supply/lp8788-charger.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.7","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.109","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/power/supply/lp8788-charger.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/8758fe39a993f86998c8071826150b8859902497"},{"url":"https://git.kernel.org/stable/c/4e3d3923976a986cc3cf960d13f1264cea8a9bba"},{"url":"https://git.kernel.org/stable/c/88d8eadfad5d9ff967e74090152940bcfa27df69"},{"url":"https://git.kernel.org/stable/c/b3aa1e9509e1b0a863353356d617fb45d1b6250a"},{"url":"https://git.kernel.org/stable/c/b4eb6a056b441ba0caedfbfc42cec501acf12f67"},{"url":"https://git.kernel.org/stable/c/831c29a12d560f8a3225f43050b3fbb5dfd79c66"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:31:49.548Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.12.109"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.18.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"7.2.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}