CVE-2022-49561
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
netfilter: conntrack: re-fetch conntrack after insertion
In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: re-fetch conntrack after insertion In case the conntrack is clashing, insertion can free skb->_nfct and set skb->_nfct to the already-confirmed entry. This wasn't found before because the conntrack entry and the extension space used to free'd after an rcu grace period, plus the race needs events enabled to trigger.
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) |
|---|---|---|---|---|---|
| 71d8c47fc653711c41bc3282e5b0e605b3727956 | affected | git | e97222b785e70e8973281666d709baad6523d8af | Unavailable | None listed |
| 71d8c47fc653711c41bc3282e5b0e605b3727956 | affected | git | 92a999d1963eed0df666284e20055136ceabd12f | Unavailable | None listed |
| 71d8c47fc653711c41bc3282e5b0e605b3727956 | affected | git | b16bb373988da3ceb0308381634117e18b6ec60d | Unavailable | None listed |
| 71d8c47fc653711c41bc3282e5b0e605b3727956 | affected | git | 91a36ec160ec1a0c8f5352b772dffcbb0b6023e3 | Unavailable | None listed |
| 71d8c47fc653711c41bc3282e5b0e605b3727956 | affected | git | 01989d7eebb61c99bd4b88ebc8e261bd2f02caed | Unavailable | None listed |
| 71d8c47fc653711c41bc3282e5b0e605b3727956 | affected | git | 04f9e9104c969d8ce10a4a43634f641ed082092d | Unavailable | None listed |
| 71d8c47fc653711c41bc3282e5b0e605b3727956 | affected | git | 04e4a11dc723c52db7a36dc58f0d69ce6426f8f0 | Unavailable | None listed |
| 71d8c47fc653711c41bc3282e5b0e605b3727956 | affected | git | 56b14ecec97f39118bf85c9ac2438c5a949509ed | 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) |
|---|---|---|---|---|---|
| 4.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.7 | Unavailable | None listed |
| 4.14.282 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.246 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.197 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.120 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.45 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.17.13 | unaffected | semver | Unavailable | 5.17.* | None listed |
| 5.18.2 | unaffected | semver | Unavailable | 5.18.* | None listed |
| 5.19 | unaffected | original_commit_for_fix | Unavailable | * | None listed |