CVE-2023-53566
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2023
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
netfilter: nft_set_rbtree: fix null deref on element insertion
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: fix null deref on element insertion There is no guarantee that rb_prev() will not return NULL in nft_rbtree_gc_elem(): general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] nft_add_set_elem+0x14b0/0x2990 nf_tables_newsetelem+0x528/0xb30 Furthermore, there is a possible use-after-free while iterating, 'node' can be free'd so we need to cache the next value to use.
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) |
|---|---|---|---|---|---|
| 7ab87a326f20c52ff4d9972052d085be951c704b | affected | git | b76db53ee8802ee5683f8cb401d7e2ec6f9b3d56 | Unavailable | None listed |
| 181859bdfb9734aca449512fccaee4cacce64aed | affected | git | 899aa5638568abf5d69de7a7bb95e4615157375b | Unavailable | None listed |
| 4aacf3d78424293e318c616016865380b37b9cc5 | affected | git | 3fa13203b6d90cc3a33af47b058739f92ab82eef | Unavailable | None listed |
| 2bf1435fa19d2c58054391b3bba40d5510a5758c | affected | git | ec5caa765f7f6960011c919c9aeb1467940421f6 | Unavailable | None listed |
| 318cb24a4c3fce8140afaf84e4d45fcb76fb280b | affected | git | a836be60a3aabcedcd9c79f545d409ace1f20ba6 | Unavailable | None listed |
| c9e6978e2725a7d4b6cd23b2facd3f11422c0643 | affected | git | a337706c1fb35aac3f26b48aca80421bdbe1d33a | Unavailable | None listed |
| c9e6978e2725a7d4b6cd23b2facd3f11422c0643 | affected | git | 61ae320a29b0540c16931816299eb86bf2b66c08 | Unavailable | None listed |
| 5.10.166 | affected | semver | 5.10.181 | Unavailable | None listed |
| 5.15.91 | affected | semver | 5.15.113 | Unavailable | None listed |
| 6.1.9 | affected | semver | 6.1.30 | 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) |
|---|---|---|---|---|---|
| 6.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 6.2 | Unavailable | None listed |
| 5.10.181 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.113 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.30 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.3.4 | unaffected | semver | Unavailable | 6.3.* | None listed |
| 6.4 | unaffected | original_commit_for_fix | Unavailable | * | None listed |