CVE-2023-52983
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2023
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
block, bfq: fix uaf for bfqq in bic_set_bfqq()
In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for bfqq in bic_set_bfqq() After commit 64dc8c732f5c ("block, bfq: fix possible uaf for 'bfqq->bic'"), bic->bfqq will be accessed in bic_set_bfqq(), however, in some context bic->bfqq will be freed, and bic_set_bfqq() is called with the freed bic->bfqq. Fix the problem by always freeing bfqq after bic_set_bfqq().
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) |
|---|---|---|---|---|---|
| 5533742c7cb1bc9b1f0bf401cc397d44a3a9e07a | affected | git | 7f77f3dab5066a7c9da73d72d1eee895ff84a8d5 | Unavailable | None listed |
| 094f3d9314d67691cb21ba091c1b528f6e3c4893 | affected | git | 511c922c5bf6c8a166bea826e702336bc2424140 | Unavailable | None listed |
| 761564d93c8265f65543acf0a576b32d66bfa26a | affected | git | cb1876fc33af26d00efdd473311f1b664c77c44e | Unavailable | None listed |
| 64dc8c732f5c2b406cc752e6aaa1bd5471159cab | affected | git | b600de2d7d3a16f9007fad1bdae82a3951a26af2 | Unavailable | None listed |
| b22fd72bfebda3956efc4431b60ddfc0a51e03e0 | affected | git | Unavailable | Unavailable | None listed |
| 6.0.16 | affected | semver | 6.1 | Unavailable | None listed |
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) |
|---|---|---|---|---|---|
| 5.15.86 | affected | semver | 5.15.93 | Unavailable | None listed |
| 6.1.2 | affected | semver | 6.1.11 | Unavailable | None listed |