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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2023-53566

netfilter: nft_set_rbtree: fix null deref on element insertion

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Status
Published
Published
Updated
Assigning organization
Linux

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 7ab87a326f20c52ff4d9972052d085be951c704b to < b76db53ee8802ee5683f8cb401d7e2ec6f9b3d56affected
  • 181859bdfb9734aca449512fccaee4cacce64aed to < 899aa5638568abf5d69de7a7bb95e4615157375baffected
  • 4aacf3d78424293e318c616016865380b37b9cc5 to < 3fa13203b6d90cc3a33af47b058739f92ab82eefaffected
  • 2bf1435fa19d2c58054391b3bba40d5510a5758c to < ec5caa765f7f6960011c919c9aeb1467940421f6affected
  • 318cb24a4c3fce8140afaf84e4d45fcb76fb280b to < a836be60a3aabcedcd9c79f545d409ace1f20ba6affected
  • c9e6978e2725a7d4b6cd23b2facd3f11422c0643 to < a337706c1fb35aac3f26b48aca80421bdbe1d33aaffected
  • c9e6978e2725a7d4b6cd23b2facd3f11422c0643 to < 61ae320a29b0540c16931816299eb86bf2b66c08affected
  • 5.10.166 to < 5.10.181affected
  • 5.15.91 to < 5.15.113affected
  • 6.1.9 to < 6.1.30affected

Linux Linux

Default version status: affected

  • 6.2affected
  • 0 to < 6.2unaffected
  • 5.10.181 to ≤ 5.10.*unaffected
  • 5.15.113 to ≤ 5.15.*unaffected
  • 6.1.30 to ≤ 6.1.*unaffected
  • 6.3.4 to ≤ 6.3.*unaffected
  • 6.4 to ≤ *unaffected

References