{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68808", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T10:30:51.045Z", "datePublished": "2026-01-13T15:29:15.164Z", "dateUpdated": "2026-01-13T15:29:15.164Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-01-13T15:29:15.164Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: vidtv: initialize local pointers upon transfer of memory ownership\n\nvidtv_channel_si_init() creates a temporary list (program, service, event)\nand ownership of the memory itself is transferred to the PAT/SDT/EIT\ntables through vidtv_psi_pat_program_assign(),\nvidtv_psi_sdt_service_assign(), vidtv_psi_eit_event_assign().\n\nThe problem here is that the local pointer where the memory ownership\ntransfer was completed is not initialized to NULL. This causes the\nvidtv_psi_pmt_create_sec_for_each_pat_entry() function to fail, and\nin the flow that jumps to free_eit, the memory that was freed by\nvidtv_psi_*_table_destroy() can be accessed again by\nvidtv_psi_*_event_destroy() due to the uninitialized local pointer, so it\nis freed once again.\n\nTherefore, to prevent use-after-free and double-free vulnerability,\nlocal pointers must be initialized to NULL when transferring memory\nownership."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/test-drivers/vidtv/vidtv_channel.c"], "versions": [{"version": "3be8037960bccd13052cfdeba8805ad785041d70", "lessThan": "3caa18d35f1dabe85a3dd31bc387f391ac9f9b4e", "status": "affected", "versionType": "git"}, {"version": "3be8037960bccd13052cfdeba8805ad785041d70", "lessThan": "fb9bd6d8d314b748e946ed6555eb4a956ee8c4d8", "status": "affected", "versionType": "git"}, {"version": "3be8037960bccd13052cfdeba8805ad785041d70", "lessThan": "a69c7fd603bf5ad93177394fbd9711922ee81032", "status": "affected", "versionType": "git"}, {"version": "3be8037960bccd13052cfdeba8805ad785041d70", "lessThan": "30f4d4e5224a9e44e9ceb3956489462319d804ce", "status": "affected", "versionType": "git"}, {"version": "3be8037960bccd13052cfdeba8805ad785041d70", "lessThan": "98aabfe2d79f74613abc2b0b1cef08f97eaf5322", "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/test-drivers/vidtv/vidtv_channel.c"], "versions": [{"version": "5.10", "status": "affected"}, {"version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.160", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.120", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.64", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.3", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19-rc1", "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": "5.10", "versionEndExcluding": "6.1.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.6.120"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.12.64"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.18.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.19-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3caa18d35f1dabe85a3dd31bc387f391ac9f9b4e"}, {"url": "https://git.kernel.org/stable/c/fb9bd6d8d314b748e946ed6555eb4a956ee8c4d8"}, {"url": "https://git.kernel.org/stable/c/a69c7fd603bf5ad93177394fbd9711922ee81032"}, {"url": "https://git.kernel.org/stable/c/30f4d4e5224a9e44e9ceb3956489462319d804ce"}, {"url": "https://git.kernel.org/stable/c/98aabfe2d79f74613abc2b0b1cef08f97eaf5322"}], "title": "media: vidtv: initialize local pointers upon transfer of memory ownership", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: vidtv: initialize local pointers upon transfer of memory ownership\n\nvidtv_channel_si_init() creates a temporary list (program, service, event)\nand ownership of the memory itself is transferred to the PAT/SDT/EIT\ntables through vidtv_psi_pat_program_assign(),\nvidtv_psi_sdt_service_assign(), vidtv_psi_eit_event_assign().\n\nThe problem here is that the local pointer where the memory ownership\ntransfer was completed is not initialized to NULL. This causes the\nvidtv_psi_pmt_create_sec_for_each_pat_entry() function to fail, and\nin the flow that jumps to free_eit, the memory that was freed by\nvidtv_psi_*_table_destroy() can be accessed again by\nvidtv_psi_*_event_destroy() due to the uninitialized local pointer, so it\nis freed once again.\n\nTherefore, to prevent use-after-free and double-free vulnerability,\nlocal pointers must be initialized to NULL when transferring memory\nownership."}], "id": "CVE-2025-68808", "lastModified": "2026-01-13T16:16:02.967", "metrics": {}, "published": "2026-01-13T16:16:02.967", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/30f4d4e5224a9e44e9ceb3956489462319d804ce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3caa18d35f1dabe85a3dd31bc387f391ac9f9b4e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/98aabfe2d79f74613abc2b0b1cef08f97eaf5322"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a69c7fd603bf5ad93177394fbd9711922ee81032"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fb9bd6d8d314b748e946ed6555eb4a956ee8c4d8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}