CVE-2026-98973
drm/bridge: Fix unlocked list_del in drm_bridge_add()
CVSS v3.1 (listed by NVD)
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Not scored
CVSS v4.0 (listed by NVD)
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Not scored
CVSS (listed by CVE.org)
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Not scored
EPSS exploit probability
0.2%
Percentile 9.0%
as of 2026-10-24
CISA KEV
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Not listed
Description
NVD
In the Linux kernel, the following vulnerability has been resolved: drm/bridge: Fix unlocked list_del in drm_bridge_add() When re-adding a bridge that was previously removed, drm_bridge_add() drops it from bridge_lingering_list without holding bridge_lock. Both bridge_list and bridge_lingering_list are protected by bridge_lock, as they are concurrently modified by drm_bridge_remove() and __drm_bridge_free(), and walked by the debugfs 'bridges' file. Running the list_empty() test and the list_del_init() outside of the lock may therefore corrupt either list. Perform both under bridge_lock.
Affected products and packages
CNA (CVE.org)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | affected: 17805a15d1751f5d6bb06f924f9bed216feb8db7 … < f469d850854101eae60dd4080244f114a9bcf2b5 affected: 17805a15d1751f5d6bb06f924f9bed216feb8db7 … < b62e3db8cdc1680e1c3390591e872f485148541a default: unaffected |
| Linux | Linux | affected: 6.19 unaffected: 0 … < 6.19 unaffected: 7.2.11 … <= 7.2.* unaffected: 7.3 … <= * default: affected |
Open-source packages (GitHub Advisory / OSV)
CVE-2026-98973
OSV
drm/bridge: Fix unlocked list_del in drm_bridge_add()
| Ecosystem | Package | Affected versions | Fixed in |
|---|---|---|---|
| >= 17805a15d1751f5d6bb06f924f9bed216feb8db7, < f469d850854101eae60dd4080244f114a9bcf2b5; < b62e3db8cdc1680e1c3390591e872f485148541a | f469d850854101eae60dd4080244f114a9bcf2b5, b62e3db8cdc1680e1c3390591e872f485148541a | ||
| Linux | Kernel | >= 6.19.0, < 7.2.11 | 7.2.11 |
Linux distribution status
References (5)
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git OSV
- https://git.kernel.org/stable/c/b62e3db8cdc1680e1c3390591e872f485148541a NVD, CNA, OSV
- https://git.kernel.org/stable/c/f469d850854101eae60dd4080244f114a9bcf2b5 NVD, CNA, OSV
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98973.json OSV
- https://nvd.nist.gov/vuln/detail/CVE-2026-98973 OSV