CVE-2022-49558
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: nf_tables: double hook unregistration in netns path
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: double hook unregistration in netns path __nft_release_hooks() is called from pre_netns exit path which unregisters the hooks, then the NETDEV_UNREGISTER event is triggered which unregisters the hooks again. [ 565.221461] WARNING: CPU: 18 PID: 193 at net/netfilter/core.c:495 __nf_unregister_net_hook+0x247/0x270 [...] [ 565.246890] CPU: 18 PID: 193 Comm: kworker/u64:1 Tainted: G E 5.18.0-rc7+ #27 [ 565.253682] Workqueue: netns cleanup_net [ 565.257059] RIP: 0010:__nf_unregister_net_hook+0x247/0x270 [...] [ 565.297120] Call Trace: [ 565.300900] <TASK> [ 565.304683] nf_tables_flowtable_event+0x16a/0x220 [nf_tables] [ 565.308518] raw_notifier_call_chain+0x63/0x80 [ 565.312386] unregister_netdevice_many+0x54f/0xb50 Unregister and destroy netdev hook from netns pre_exit via kfree_rcu so the NETDEV_UNREGISTER path see unregistered hooks.
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) |
|---|---|---|---|---|---|
| b110391d1e806167254d3c7ae5d637191d913175 | affected | git | b09e6ccf0d12f9356e8e3508d3e3dce126298538 | Unavailable | None listed |
| 0a0e5d47670b753d3dbf88f3c77a97a30864d9bd | affected | git | 3fac8ce48fa9fd61ee9056d3ed48b2edefca8b82 | Unavailable | None listed |
| 767d1216bff82507c945e92fe719dff2083bb2f4 | affected | git | 9c413a8c8bb49cc16796371805ecb260e885bb2b | Unavailable | None listed |
| 767d1216bff82507c945e92fe719dff2083bb2f4 | affected | git | a3940dcf552f2393d1e8f263b386593f98abe829 | Unavailable | None listed |
| 767d1216bff82507c945e92fe719dff2083bb2f4 | affected | git | 86c0154f4c3a56c5db8b9dd09e3ce885382c2c19 | Unavailable | None listed |
| 767d1216bff82507c945e92fe719dff2083bb2f4 | affected | git | f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 | Unavailable | None listed |
| 5.4.99 | affected | semver | 5.4.262 | Unavailable | None listed |
| 5.10.17 | affected | semver | 5.10.198 | 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) |
|---|---|---|---|---|---|
| 5.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.11 | Unavailable | None listed |
| 5.4.262 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.198 | 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 |