kernel: netfilter: nf_tables: fix chain binding transaction logic in the abort path of NFT_MSG_NEWRULE

A use-after-free vulnerability was found in the netfilter: nftables component in the Linux kernel due to a missing error handling in the abort path of NFTMSGNEWRULE. This flaw allows a local attacker with CAPNETADMIN access capability to cause a local privilege escalation problem...

The vulnerability of the Netfilter subsystem in Linux operating systems allows attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the Netfilter subsystem in Linux operating systems is related to the use of memory after it is freed during the processing of the NFTMSGNEWRULE parameter. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity, and accessibility of th...

UBUNTU-CVE-2023-3390

A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nftablesapi.c. Mishandled error handling with NFTMSGNEWRULE makes it possible to use a dangling pointer in the same transaction causing a use-after-free vulnerability. This flaw allows a local...