VYPR

netfilter: nf_tables

by Linux

Source repositories

CVEs (8)

  • CVE-2024-1086HigKEVJan 31, 2024
    risk 0.64cvss 7.8epss 0.28

    A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slow() function can…

  • CVE-2023-6817HigDec 18, 2023
    risk 0.51cvss 7.8epss 0.00

    A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The function nft_pipapo_walk did not skip inactive elements during set walk which could lead double deactivations of PIPAPO (Pile Packet…

  • CVE-2023-4244HigSep 6, 2023
    risk 0.51cvss 7.8epss 0.00

    A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. Due to a race condition between nf_tables netlink control plane transaction and nft_set element garbage collection, it is possible to…

  • CVE-2026-23231HigMar 4, 2026
    risk 0.47cvss 7.8epss 0.01

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix use-after-free in nf_tables_addchain() nf_tables_addchain() publishes the chain to table->chains via list_add_tail_rcu() (in nft_chain_add()) before registering hooks. If…

  • CVE-2026-43452HigMay 8, 2026
    risk 0.46cvss 8.2epss 0.00

    In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: guard option walkers against 1-byte tail reads When the last byte of options is a non-single-byte option kind, walkers that advance with i += op[i + 1] ? : 1 can read op[i + 1] past the…

  • CVE-2023-52925MedFeb 5, 2025
    risk 0.36cvss 5.5epss 0.00

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: don't fail inserts if duplicate has expired nftables selftests fail: run-tests.sh testcases/sets/0044interval_overlap_0 Expected: 0-2 . 0-3, got: W: [FAILED] …

  • CVE-2023-6111HigNov 14, 2023
    risk 0.00cvss 7.8epss 0.00

    A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The function nft_trans_gc_catchall did not remove the catchall set element from the catchall_list when the argument sync is true, making…

  • CVE-2023-5197HigSep 27, 2023
    risk 0.00cvss 7.8epss 0.00

    A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. Addition and removal of rules from chain bindings within the same transaction causes leads to use-after-free. We recommend upgrading past…