{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2024-27043","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-19T14:20:24.212Z","datePublished":"2024-05-01T12:54:11.197Z","dateUpdated":"2025-05-04T09:02:57.936Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:02:57.936Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: edia: dvbdev: fix a use-after-free\n\nIn dvb_register_device, *pdvbdev is set equal to dvbdev, which is freed\nin several error-handling paths. However, *pdvbdev is not set to NULL\nafter dvbdev's deallocation, causing use-after-frees in many places,\nfor example, in the following call chain:\n\nbudget_register\n  |-> dvb_dmxdev_init\n        |-> dvb_register_device\n  |-> dvb_dmxdev_release\n        |-> dvb_unregister_device\n              |-> dvb_remove_device\n                    |-> dvb_device_put\n                          |-> kref_put\n\nWhen calling dvb_unregister_device, dmxdev->dvbdev (i.e. *pdvbdev in\ndvb_register_device) could point to memory that had been freed in\ndvb_register_device. Thereafter, this pointer is transferred to\nkref_put and triggering a use-after-free."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/dvb-core/dvbdev.c"],"versions":[{"version":"b61901024776b25ce7b8edc31bb1757c7382a88e","lessThan":"d0f5c28333822f9baa5280d813124920720fd856","status":"affected","versionType":"git"},{"version":"b61901024776b25ce7b8edc31bb1757c7382a88e","lessThan":"f20c3270f3ed5aa6919a87e4de9bf6c05fb57086","status":"affected","versionType":"git"},{"version":"b61901024776b25ce7b8edc31bb1757c7382a88e","lessThan":"096237039d00c839f3e3a5fe6d001bf0db45b644","status":"affected","versionType":"git"},{"version":"b61901024776b25ce7b8edc31bb1757c7382a88e","lessThan":"0d3fe80b6d175c220b3e252efc6c6777e700e98e","status":"affected","versionType":"git"},{"version":"b61901024776b25ce7b8edc31bb1757c7382a88e","lessThan":"437a111f79a2f5b2a5f21e27fdec6f40c8768712","status":"affected","versionType":"git"},{"version":"b61901024776b25ce7b8edc31bb1757c7382a88e","lessThan":"779e8db7efb22316c8581d6c229636d2f5694a62","status":"affected","versionType":"git"},{"version":"b61901024776b25ce7b8edc31bb1757c7382a88e","lessThan":"35674111a043b0482a9bc69da8850a83f465b07d","status":"affected","versionType":"git"},{"version":"b61901024776b25ce7b8edc31bb1757c7382a88e","lessThan":"b7586e902128e4fb7bfbb661cb52e4215a65637b","status":"affected","versionType":"git"},{"version":"b61901024776b25ce7b8edc31bb1757c7382a88e","lessThan":"8c64f4cdf4e6cc5682c52523713af8c39c94e6d5","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/media/dvb-core/dvbdev.c"],"versions":[{"version":"2.6.21","status":"affected"},{"version":"0","lessThan":"2.6.21","status":"unaffected","versionType":"semver"},{"version":"4.19.311","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.273","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.214","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.153","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.83","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.23","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7.11","lessThanOrEqual":"6.7.*","status":"unaffected","versionType":"semver"},{"version":"6.8.2","lessThanOrEqual":"6.8.*","status":"unaffected","versionType":"semver"},{"version":"6.9","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":"2.6.21","versionEndExcluding":"4.19.311"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"5.4.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"5.10.214"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"5.15.153"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"6.1.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"6.6.23"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"6.7.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"6.8.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"6.9"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d0f5c28333822f9baa5280d813124920720fd856"},{"url":"https://git.kernel.org/stable/c/f20c3270f3ed5aa6919a87e4de9bf6c05fb57086"},{"url":"https://git.kernel.org/stable/c/096237039d00c839f3e3a5fe6d001bf0db45b644"},{"url":"https://git.kernel.org/stable/c/0d3fe80b6d175c220b3e252efc6c6777e700e98e"},{"url":"https://git.kernel.org/stable/c/437a111f79a2f5b2a5f21e27fdec6f40c8768712"},{"url":"https://git.kernel.org/stable/c/779e8db7efb22316c8581d6c229636d2f5694a62"},{"url":"https://git.kernel.org/stable/c/35674111a043b0482a9bc69da8850a83f465b07d"},{"url":"https://git.kernel.org/stable/c/b7586e902128e4fb7bfbb661cb52e4215a65637b"},{"url":"https://git.kernel.org/stable/c/8c64f4cdf4e6cc5682c52523713af8c39c94e6d5"}],"title":"media: 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