cve-2021-47534
Vulnerability from cvelistv5
Published
2024-05-24 15:09
Modified
2024-08-04 05:39
Severity
Summary
drm/vc4: kms: Add missing drm_crtc_commit_put
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/049cfff8d53a30cae3349ff71a4c01b7d9981bc2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/53f9601e908d42481addd67cdb01a9288c611124
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vc4: kms: Add missing drm_crtc_commit_put\n\nCommit 9ec03d7f1ed3 (\"drm/vc4: kms: Wait on previous FIFO users before a\ncommit\") introduced a global state for the HVS, with each FIFO storing\nthe current CRTC commit so that we can properly synchronize commits.\n\nHowever, the refcounting was off and we thus ended up leaking the\ndrm_crtc_commit structure every commit. Add a drm_crtc_commit_put to\nprevent the leakage."
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    "datePublished": "2024-05-24T15:09:43.344Z",
    "dateReserved": "2024-05-24T15:02:54.826Z",
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