CVE-2022-48643
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: fix nft_counters_enabled underflow at nf_tables_addchain()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix nft_counters_enabled underflow at nf_tables_addchain() syzbot is reporting underflow of nft_counters_enabled counter at nf_tables_addchain() [1], for commit 43eb8949cfdffa76 ("netfilter: nf_tables: do not leave chain stats enabled on error") missed that nf_tables_chain_destroy() after nft_basechain_init() in the error path of nf_tables_addchain() decrements the counter because nft_basechain_init() makes nft_is_base_chain() return true by setting NFT_CHAIN_BASE flag. Increment the counter immediately after returning from nft_basechain_init().
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) |
|---|---|---|---|---|---|
| c907dfe4eaca9665694a0340de1458a093abe354 | affected | git | 710e3f526bd23a0d33435dedc52c3144de284378 | Unavailable | None listed |
| 6d7ddee503951641f3ec6f0e3269446970bbcdab | affected | git | 91aa52652f4b37089aff3cb53e83049d826fef6d | Unavailable | None listed |
| 98a621ef45e3605c7487f7fa6fec7df94697d6a2 | affected | git | 8bcad2a931313aeba076b76922d5813ef97d0a91 | Unavailable | None listed |
| 43eb8949cfdffa764b92bc6c54b87cbe5b0003fe | affected | git | 921ebde3c0d22c8cba74ce8eb3cc4626abff1ccd | 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) |
|---|---|---|---|---|---|
| 5.10.140 | affected | semver | 5.10.146 | Unavailable | None listed |
| 5.15.64 | affected | semver | 5.15.71 | Unavailable | None listed |
| 5.19.6 | affected | semver | 5.19.12 | Unavailable | None listed |