CVE-2024-57798
- Source
- https://cve.org/CVERecord?id=CVE-2024-57798
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-57798.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2024-57798
- Downstream
- Related
- Published
- 2025-01-11T12:39:48.212Z
- Modified
- 2026-05-28T03:53:56.852561051Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- drm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req()
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
drm/dpmst: Ensure mstprimary pointer is valid in drmdpmsthandleup_req()
While receiving an MST up request message from one thread in drmdpmsthandleupreq(), the MST topology could be removed from another thread via drmdpmsttopologymgrsetmst(false), freeing mstprimary and setting drmdpmsttopologymgr::mstprimary to NULL. This could lead to a NULL deref/use-after-free of mstprimary in drmdpmsthandleup_req().
Avoid the above by holding a reference for mstprimary in drmdpmsthandleupreq() while it's used.
v2: Fix kfreeing the request if getting an mst_primary reference fails.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/57xxx/CVE-2024-57798.json" }- References
-
- https://git.kernel.org/stable/c/9735d40f5fde9970aa46e828ecc85c32571d58a2
- https://git.kernel.org/stable/c/ce55818b2d3a999f886af91679589e4644ff1dc8
- https://git.kernel.org/stable/c/e54b00086f7473dbda1a7d6fc47720ced157c6a8
- https://git.kernel.org/stable/c/f61b2e5e7821f868d6afc22382a66a30ee780ba0
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/57xxx/CVE-2024-57798.json
- https://nvd.nist.gov/vuln/detail/CVE-2024-57798
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced9408cc94eb041d0c2f9f00189a613b94c0449450Fixedf61b2e5e7821f868d6afc22382a66a30ee780ba0Fixed9735d40f5fde9970aa46e828ecc85c32571d58a2Fixedce55818b2d3a999f886af91679589e4644ff1dc8Fixede54b00086f7473dbda1a7d6fc47720ced157c6a8