CVE-2026-98623
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
drm/nouveau/clk: fix list cursor use after loop in nvkm_clk_ustate_update
In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/clk: fix list cursor use after loop in nvkm_clk_ustate_update If list_for_each_entry() exits without hitting a break then "pstate" is not a valid pstate pointer. Introduce a "found" variable instead. The check is reachable from userspace: nvkm_clk_ustate_update() takes the pstate id straight from the 'pstate' debugfs file, so requesting an id that is not in clk->states - or any id at all when the perf tables are broken and the list is empty - makes the pstate->pstate != req test dereference the list head cast to a struct nvkm_pstate, which is an out-of-bounds read. [Francesco: rebased on drm-misc-next, expanded the commit message]
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 7c856522069755ab9d163a24ac332cd3cb35fe30 | affected | git | db5dd9f47b4df1be322f498d846e9a82940a7390 | Unavailable | None listed |
| 7c856522069755ab9d163a24ac332cd3cb35fe30 | affected | git | 9d550924961f61a491dd95359c63494fa8a23d9f | Unavailable | None listed |
| 7c856522069755ab9d163a24ac332cd3cb35fe30 | affected | git | 492e9cfa12f35f7946ea1b78a19f1f9337d62248 | Unavailable | None listed |
| 7c856522069755ab9d163a24ac332cd3cb35fe30 | affected | git | a867abcfa85ab487066c3d3008a1ba905da04113 | Unavailable | None listed |
| 7c856522069755ab9d163a24ac332cd3cb35fe30 | affected | git | 5315c7bacfe274ddfe649d9556e9a341ffa812da | Unavailable | None listed |
| 7c856522069755ab9d163a24ac332cd3cb35fe30 | affected | git | 0d096a7f7d79207490858dde731b16da5337e90c | Unavailable | None listed |
| 7c856522069755ab9d163a24ac332cd3cb35fe30 | affected | git | 391517da7fd54ae40e4a7fe1cc696217343b0061 | Unavailable | None listed |
| 7c856522069755ab9d163a24ac332cd3cb35fe30 | affected | git | aff09d9e37e02dc60bde79035ac15b136d602259 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 3.13 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 3.13 | Unavailable | None listed |
| 5.10.271 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.222 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.189 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.158 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.112 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.18.55 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 7.2.9 | unaffected | semver | Unavailable | 7.2.* | None listed |
| 7.3 | unaffected | original_commit_for_fix | Unavailable | * | None listed |