CVE-2026-22999
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)
net/sched: sch_qfq: do not free existing class in qfq_change_class()
In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_qfq: do not free existing class in qfq_change_class() Fixes qfq_change_class() error case. cl->qdisc and cl should only be freed if a new class and qdisc were allocated, or we risk various UAF.
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) |
|---|---|---|---|---|---|
| 462dbc9101acd38e92eda93c0726857517a24bbd | affected | git | 2a64fb9b47afffeb5dbab5fd3a518e1436dcc90e | Unavailable | None listed |
| 462dbc9101acd38e92eda93c0726857517a24bbd | affected | git | cff6cd703f41d8071995956142729e4bba160363 | Unavailable | None listed |
| 462dbc9101acd38e92eda93c0726857517a24bbd | affected | git | f06f7635499bc806cbe2bbc8805c7cef8b1edddf | Unavailable | None listed |
| 462dbc9101acd38e92eda93c0726857517a24bbd | affected | git | 0a234660dc70ce45d771cbc76b20d925b73ec160 | Unavailable | None listed |
| 462dbc9101acd38e92eda93c0726857517a24bbd | affected | git | 362e269bb03f7076ba9990e518aeddb898232e50 | Unavailable | None listed |
| 462dbc9101acd38e92eda93c0726857517a24bbd | affected | git | e9d8f11652fa08c647bf7bba7dd8163241a332cd | Unavailable | None listed |
| 462dbc9101acd38e92eda93c0726857517a24bbd | affected | git | 3879cffd9d07aa0377c4b8835c4f64b4fb24ac78 | 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) |
|---|---|---|---|---|---|
| 3.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 3.8 | Unavailable | None listed |
| 5.10.249 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.199 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.162 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.122 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.67 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.18.7 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 6.19 | unaffected | original_commit_for_fix | Unavailable | * | None listed |