CVE-2021-46991
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)
i40e: Fix use-after-free in i40e_client_subtask()
In the Linux kernel, the following vulnerability has been resolved: i40e: Fix use-after-free in i40e_client_subtask() Currently the call to i40e_client_del_instance frees the object pf->cinst, however pf->cinst->lan_info is being accessed after the free. Fix this by adding the missing return. Addresses-Coverity: ("Read from pointer after free")
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) |
|---|---|---|---|---|---|
| 7b0b1a6d0ac983ce1928432285d0222d4fb7c38b | affected | git | c1322eaeb8af0d8985b5cc5fa759140fa0e57b84 | Unavailable | None listed |
| 7b0b1a6d0ac983ce1928432285d0222d4fb7c38b | affected | git | d718c15a2bf9ae082d5ae4d177fb19ef23cb4132 | Unavailable | None listed |
| 7b0b1a6d0ac983ce1928432285d0222d4fb7c38b | affected | git | 829a713450b8fb127cbabfc1244c1d8179ec5107 | Unavailable | None listed |
| 7b0b1a6d0ac983ce1928432285d0222d4fb7c38b | affected | git | 4ebc10aa7cd17fd9857dedac69600465c9dd16d1 | Unavailable | None listed |
| 7b0b1a6d0ac983ce1928432285d0222d4fb7c38b | affected | git | 1fd5d262e7442192ac7611ff1597a36c5b044323 | Unavailable | None listed |
| 7b0b1a6d0ac983ce1928432285d0222d4fb7c38b | affected | git | 38318f23a7ef86a8b1862e5e8078c4de121960c3 | 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) |
|---|---|---|---|---|---|
| 4.16 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.16 | Unavailable | None listed |
| 4.19.191 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.120 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.38 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.11.22 | unaffected | semver | Unavailable | 5.11.* | None listed |
| 5.12.5 | unaffected | semver | Unavailable | 5.12.* | None listed |
| 5.13 | unaffected | original_commit_for_fix | Unavailable | * | None listed |