CVE-2021-46908
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
bpf: Use correct permission flag for mixed signed bounds arithmetic
In the Linux kernel, the following vulnerability has been resolved: bpf: Use correct permission flag for mixed signed bounds arithmetic We forbid adding unknown scalars with mixed signed bounds due to the spectre v1 masking mitigation. Hence this also needs bypass_spec_v1 flag instead of allow_ptr_leaks.
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) |
|---|---|---|---|---|---|
| 2c78ee898d8f10ae6fb2fa23a3fbaec96b1b7366 | affected | git | 4f3ff11204eac0ee23acf64deecb3bad7b0db0c6 | Unavailable | None listed |
| 2c78ee898d8f10ae6fb2fa23a3fbaec96b1b7366 | affected | git | 4ccdc6c6cae38b91c871293fb0ed8c6845a61b51 | Unavailable | None listed |
| 2c78ee898d8f10ae6fb2fa23a3fbaec96b1b7366 | affected | git | 9601148392520e2e134936e76788fc2a6371e7be | 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) |
|---|---|---|---|---|---|
| 5.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.8 | Unavailable | None listed |
| 5.10.32 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.11.16 | unaffected | semver | Unavailable | 5.11.* | None listed |
| 5.12 | unaffected | original_commit_for_fix | Unavailable | * | None listed |