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CVE-2024-36270

netfilter: tproxy: bail out if IP has been disabled on the device

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.4.278, 5.10.219, 5.15.161, 6.1.93, 6.6.33, and 1 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

In the Linux kernel, the following vulnerability has been resolved: netfilter: tproxy: bail out if IP has been disabled on the device syzbot reports: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [..] RIP: 0010:nf_tproxy_laddr4+0xb7/0x340 net/ipv4/netfilter/nf_tproxy_ipv4.c:62 Call Trace: nft_tproxy_eval_v4 net/netfilter/nft_tproxy.c:56 [inline] nft_tproxy_eval+0xa9a/0x1a00 net/netfilter/nft_tproxy.c:168 __in_dev_get_rcu() can return NULL, so check for this.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From cc6eb433856983e91071469c4ce57accb6947ccb · fixed in 10f0af5234dafd03d2b75233428ec3f11cf7e43d; From cc6eb433856983e91071469c4ce57accb6947ccb · fixed in 07eeedafc59c45fe5de43958128542be3784764c; From cc6eb433856983e91071469c4ce57accb6947ccb · fixed in 6fe5af4ff06db3d4d80e07a19356640428159f03; From cc6eb433856983e91071469c4ce57accb6947ccb · fixed in caf3a8afb5ea00db6d5398adf148d5534615fd80; From cc6eb433856983e91071469c4ce57accb6947ccb · fixed in 570b4c52096e62fda562448f5760fd0ff06110f0; From cc6eb433856983e91071469c4ce57accb6947ccb · fixed in 819bfeca16eb9ad647ddcae25e7e12c30612147c; From cc6eb433856983e91071469c4ce57accb6947ccb · fixed in 21a673bddc8fd4873c370caf9ae70ffc6d47e8d3

  • Linux Linux

    2.6.37

  • KernelLinux

    From 2.6.37 · fixed in 5.4.278; From 5.5.0 · fixed in 5.10.219; From 5.11.0 · fixed in 5.15.161; From 5.16.0 · fixed in 6.1.93; From 6.2.0 · fixed in 6.6.33; From 6.7.0 · fixed in 6.9.4

References 7

git.kernel.org