CVE-2024-36270

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxcc6eb433856983e91071469c4ce57accb6947ccb < 10f0af5234dafd03d2b75233428ec3f11cf7e43daffected
LinuxLinuxcc6eb433856983e91071469c4ce57accb6947ccb < 07eeedafc59c45fe5de43958128542be3784764caffected
LinuxLinuxcc6eb433856983e91071469c4ce57accb6947ccb < 6fe5af4ff06db3d4d80e07a19356640428159f03affected
LinuxLinuxcc6eb433856983e91071469c4ce57accb6947ccb < caf3a8afb5ea00db6d5398adf148d5534615fd80affected
LinuxLinuxcc6eb433856983e91071469c4ce57accb6947ccb < 570b4c52096e62fda562448f5760fd0ff06110f0affected
LinuxLinuxcc6eb433856983e91071469c4ce57accb6947ccb < 819bfeca16eb9ad647ddcae25e7e12c30612147caffected
LinuxLinuxcc6eb433856983e91071469c4ce57accb6947ccb < 21a673bddc8fd4873c370caf9ae70ffc6d47e8d3affected
LinuxLinux2.6.37affected
LinuxLinux0 < 2.6.37unaffected
LinuxLinux5.4.278 <= 5.4.*unaffected
LinuxLinux5.10.219 <= 5.10.*unaffected
LinuxLinux5.15.161 <= 5.15.*unaffected
LinuxLinux6.1.93 <= 6.1.*unaffected
LinuxLinux6.6.33 <= 6.6.*unaffected
LinuxLinux6.9.4 <= 6.9.*unaffected
LinuxLinux6.10 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

Additional References

References