{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53380", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.401Z", "datePublished": "2026-07-19T10:02:02.030Z", "dateUpdated": "2026-08-05T12:35:20.740Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:35:20.740Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: rzv2h-ivc: Fix concurrent buffer list access\n\nThe list of buffers (`rzv2h_ivc::buffers.queue`) is protected by a\nspinlock (`rzv2h_ivc::buffers.lock`). However, in\n`rzv2h_ivc_transfer_buffer()`, which runs in a separate workqueue, the\n`list_del()` call is executed without holding the spinlock, which makes\nit possible for the list to be concurrently modified\n\nFix that by removing a buffer from the list in the lock protected section.\n\n[assign ivc->buffers.curr in critical section as reported by Barnabas]"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The flaw is reached only through local V4L2 syscalls (open/ioctl/mmap) on the /dev/video* node registered by this platform driver; it is not triggered by remote network packets or physical bus insertion.\nAC:L - An attacker controls both sides of the race by issuing concurrent VIDIOC_QBUF and VIDIOC_STREAMOFF/STREAMON calls from multiple threads while streaming, reliably interleaving with the workqueue handler that performs the unlocked list_del().\nPR:L - Exploitation requires only a local account with access to the V4L2 video device node (typically membership in the video group or a dedicated vision-service account on RZ/V2H embedded deployments), not real root in the init namespace.\nUI:N - The attacker directly drives all required V4L2 ioctl operations to queue buffers and start/stop streaming; no independent victim action is needed.\nS:U - Successful exploitation corrupts kernel memory from a local userspace context to achieve kernel-level impact (crash, info leak, or privilege escalation), which remains within the same kernel security authority rather than crossing a VM or hypervisor boundary.\nC:H - Unsynchronized list_del()/list manipulation on the buffer queue can corrupt kernel linked-list pointers and create use-after-free conditions when buffers are concurrently completed or returned, enabling arbitrary kernel memory reads.\nI:H - Corrupted list_head structures and concurrent assignment of ivc->buffers.curr outside the spinlock can yield exploitable heap corruption and arbitrary write primitives beyond a simple denial-of-service crash.\nA:H - The race can cause kernel list corruption, use-after-free, and BUG/list debugging failures that result in kernel oops/panic when streaming buffers on affected RZ/V2H systems."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/platform/renesas/rzv2h-ivc/rzv2h-ivc-video.c"], "versions": [{"version": "f0b3984d821b3a603cd8786dca6cc73d47c4521a", "lessThan": "c746522bd3264132ab2e2382e96e19cdb8a6c1ba", "status": "affected", "versionType": "git"}, {"version": "f0b3984d821b3a603cd8786dca6cc73d47c4521a", "lessThan": "72773ff1cdfaebc593f53b1719b2c1773ecf8c43", "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/platform/renesas/rzv2h-ivc/rzv2h-ivc-video.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.9", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "6.19", "versionEndExcluding": "7.0.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c746522bd3264132ab2e2382e96e19cdb8a6c1ba"}, {"url": "https://git.kernel.org/stable/c/72773ff1cdfaebc593f53b1719b2c1773ecf8c43"}], "title": "media: rzv2h-ivc: Fix concurrent buffer list access", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: media: rzv2h-ivc: Fix concurrent buffer list access", "id": "2502186", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502186"}, "csaw": false, "cwe": "CWE-821", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmedia: rzv2h-ivc: Fix concurrent buffer list access\nThe list of buffers (`rzv2h_ivc::buffers.queue`) is protected by a\nspinlock (`rzv2h_ivc::buffers.lock`). However, in\n`rzv2h_ivc_transfer_buffer()`, which runs in a separate workqueue, the\n`list_del()` call is executed without holding the spinlock, which makes\nit possible for the list to be concurrently modified\nFix that by removing a buffer from the list in the lock protected section.\n[assign ivc->buffers.curr in critical section as reported by Barnabas]", "A flaw was found in the Linux kernel's `rzv2h-ivc` media driver. The driver's buffer list, which is protected by a spinlock, can be concurrently modified because a buffer removal operation (`list_del()`) is performed outside of the protected section. This concurrent access to the buffer list without proper synchronization may lead to data corruption or system instability, potentially resulting in a denial of service."], "name": "CVE-2026-53380", "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-2026-53380\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53380\nhttps://lore.kernel.org/linux-cve-announce/2026071947-CVE-2026-53380-12df@gregkh/T"]}