CVE-2026-53382

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53382", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.401Z", "datePublished": "2026-07-19T11:59:31.045Z", "dateUpdated": "2026-08-17T04:50:32.686Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T04:50:32.686Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: vidtv: fix NULL pointer dereference in vidtv_mux_push_si\n\nsyzbot reported a general protection fault in\nvidtv_psi_ts_psi_write_into [1].\n\nvidtv_mux_get_pid_ctx() can return NULL, but vidtv_mux_push_si() does\nnot check for this before dereferencing the returned pointer to access\nthe continuity counter. This leads to a general protection fault when\naccessing a near-NULL address.\n\nThe root cause is that vidtv_mux_pid_ctx_init() does not check the\nreturn value of vidtv_mux_create_pid_ctx_once() for PMT section PIDs.\nIf the allocation fails, the PID context is never created, but init\nreturns success. The subsequent vidtv_mux_push_si() call then gets\nNULL from vidtv_mux_get_pid_ctx() and crashes.\n\nFix both the root cause (add error check in vidtv_mux_pid_ctx_init\nfor PMT PIDs) and add defensive NULL checks in vidtv_mux_push_si for\nall vidtv_mux_get_pid_ctx() calls.\n\n[1]\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nWorkqueue: events vidtv_mux_tick\nRIP: 0010:vidtv_psi_ts_psi_write_into+0x54a/0xbc0 drivers/media/test-drivers/vidtv/vidtv_psi.c:197\nCall Trace:\n <TASK>\n vidtv_psi_table_header_write_into drivers/media/test-drivers/vidtv/vidtv_psi.c:799 [inline]\n vidtv_psi_pmt_write_into+0x3b2/0xa70 drivers/media/test-drivers/vidtv/vidtv_psi.c:1231\n vidtv_mux_push_si+0x932/0xe80 drivers/media/test-drivers/vidtv/vidtv_mux.c:196\n vidtv_mux_tick+0xe9b/0x1480 drivers/media/test-drivers/vidtv/vidtv_mux.c:408"}], "affected": [{"product": 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"unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.260", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.211", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.177", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.144", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.95", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.37", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.14", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.2", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DD81A022-0ECA-4057-AE53-5A1CD38B9EDE", "versionEndExcluding": "5.10.260", "versionStartIncluding": "5.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D71C101E-388C-4A46-BD99-49049F7C5CFF", "versionEndExcluding": "5.15.211", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "333C9E30-7FD4-46A2-94EF-C1AA1F3EE28B", "versionEndExcluding": "6.1.177", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C8AD3BC8-C843-423C-B9DB-CB52F67F578E", "versionEndExcluding": "6.6.144", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": 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general protection fault in\nvidtv_psi_ts_psi_write_into [1].\n\nvidtv_mux_get_pid_ctx() can return NULL, but vidtv_mux_push_si() does\nnot check for this before dereferencing the returned pointer to access\nthe continuity counter. This leads to a general protection fault when\naccessing a near-NULL address.\n\nThe root cause is that vidtv_mux_pid_ctx_init() does not check the\nreturn value of vidtv_mux_create_pid_ctx_once() for PMT section PIDs.\nIf the allocation fails, the PID context is never created, but init\nreturns success. The subsequent vidtv_mux_push_si() call then gets\nNULL from vidtv_mux_get_pid_ctx() and crashes.\n\nFix both the root cause (add error check in vidtv_mux_pid_ctx_init\nfor PMT PIDs) and add defensive NULL checks in vidtv_mux_push_si for\nall vidtv_mux_get_pid_ctx() calls.\n\n[1]\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nWorkqueue: events vidtv_mux_tick\nRIP: 0010:vidtv_psi_ts_psi_write_into+0x54a/0xbc0 drivers/media/test-drivers/vidtv/vidtv_psi.c:197\nCall Trace:\n <TASK>\n vidtv_psi_table_header_write_into drivers/media/test-drivers/vidtv/vidtv_psi.c:799 [inline]\n vidtv_psi_pmt_write_into+0x3b2/0xa70 drivers/media/test-drivers/vidtv/vidtv_psi.c:1231\n vidtv_mux_push_si+0x932/0xe80 drivers/media/test-drivers/vidtv/vidtv_mux.c:196\n vidtv_mux_tick+0xe9b/0x1480 drivers/media/test-drivers/vidtv/vidtv_mux.c:408"}], "id": "CVE-2026-53382", "lastModified": "2026-08-17T05:17:12.097", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-07-19T12:16:48.970", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/232e4b313ea342672edf8947e067c0de4328405b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/353d9578951dd38bc9679308f5b618ceed1f20fa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/455bc12e7b73ab5a2dfcb47822e91e772bc6c42e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6df7e16d4f742c80add58995a6e69385b97aa9e6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7d8bf3d8f91073f4db347ed3aa6302b56107499c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b28b12be6e8910489e6800ed93ea4d41dfe19683"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cd923dadefadb9671b5ac341b672ff424d429c39"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f0f5a1d7056980a0d512456fdb370cfb72bba86a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f965cf22dda7f512f4922415894c3e528269a4ae"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: media: vidtv: fix NULL pointer dereference in vidtv_mux_push_si", "id": "2502250", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502250"}, "csaw": false, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmedia: vidtv: fix NULL pointer dereference in vidtv_mux_push_si\nsyzbot reported a general protection fault in\nvidtv_psi_ts_psi_write_into [1].\nvidtv_mux_get_pid_ctx() can return NULL, but vidtv_mux_push_si() does\nnot check for this before dereferencing the returned pointer to access\nthe continuity counter. This leads to a general protection fault when\naccessing a near-NULL address.\nThe root cause is that vidtv_mux_pid_ctx_init() does not check the\nreturn value of vidtv_mux_create_pid_ctx_once() for PMT section PIDs.\nIf the allocation fails, the PID context is never created, but init\nreturns success. The subsequent vidtv_mux_push_si() call then gets\nNULL from vidtv_mux_get_pid_ctx() and crashes.\nFix both the root cause (add error check in vidtv_mux_pid_ctx_init\nfor PMT PIDs) and add defensive NULL checks in vidtv_mux_push_si for\nall vidtv_mux_get_pid_ctx() calls.\n[1]\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nWorkqueue: events vidtv_mux_tick\nRIP: 0010:vidtv_psi_ts_psi_write_into+0x54a/0xbc0 drivers/media/test-drivers/vidtv/vidtv_psi.c:197\nCall Trace:\n<TASK>\nvidtv_psi_table_header_write_into drivers/media/test-drivers/vidtv/vidtv_psi.c:799 [inline]\nvidtv_psi_pmt_write_into+0x3b2/0xa70 drivers/media/test-drivers/vidtv/vidtv_psi.c:1231\nvidtv_mux_push_si+0x932/0xe80 drivers/media/test-drivers/vidtv/vidtv_mux.c:196\nvidtv_mux_tick+0xe9b/0x1480 drivers/media/test-drivers/vidtv/vidtv_mux.c:408", "A flaw was found in the Linux kernel's `vidtv` media driver. This vulnerability occurs because the `vidtv_mux_push_si()` function does not properly handle a NULL return value from `vidtv_mux_get_pid_ctx()`, which can happen if a PID context fails to allocate during initialization. An attacker could potentially trigger this NULL pointer dereference, leading to a general protection fault and causing a system crash, resulting in a denial of service."], "name": "CVE-2026-53382", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53382\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53382\nhttps://lore.kernel.org/linux-cve-announce/2026071933-CVE-2026-53382-a456@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f90cf6079bf67988f8b1ad1ade70fc89d0080905,455bc12e7b73ab5a2dfcb47822e91e772bc6c42e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f90cf6079bf67988f8b1ad1ade70fc89d0080905,f0f5a1d7056980a0d512456fdb370cfb72bba86a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f90cf6079bf67988f8b1ad1ade70fc89d0080905,6df7e16d4f742c80add58995a6e69385b97aa9e6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f90cf6079bf67988f8b1ad1ade70fc89d0080905,cd923dadefadb9671b5ac341b672ff424d429c39)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f90cf6079bf67988f8b1ad1ade70fc89d0080905,353d9578951dd38bc9679308f5b618ceed1f20fa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f90cf6079bf67988f8b1ad1ade70fc89d0080905,f965cf22dda7f512f4922415894c3e528269a4ae)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f90cf6079bf67988f8b1ad1ade70fc89d0080905,b28b12be6e8910489e6800ed93ea4d41dfe19683)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f90cf6079bf67988f8b1ad1ade70fc89d0080905,232e4b313ea342672edf8947e067c0de4328405b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f90cf6079bf67988f8b1ad1ade70fc89d0080905,7d8bf3d8f91073f4db347ed3aa6302b56107499c)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.260,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.211,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.177,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.144,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.95,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.37,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.14,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.2,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-07-22T00:45:03.402676+00:00", "updated": "2026-08-12T09:30:01.053804+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}