Kernel: netfilter: xtables sctp out-of-bounds read in match_flags()
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.1epss 0.4%
exploitation probability
0.4%top 67% of all CVEs
observed exploitation
nono source reports it
A flaw was found in the Netfilter subsystem in the Linux kernel. The sctp_mt_check did not validate the flag_count field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
Affected products
Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9References
https://access.redhat.com/errata/RHSA-2024:2394https://access.redhat.com/errata/RHSA-2024:2950https://access.redhat.com/errata/RHSA-2024:3138https://access.redhat.com/security/cve/CVE-2023-39193https://bugzilla.redhat.com/show_bug.cgi?id=2226787https://lists.debian.org/debian-lts-announce/2024/01/msg00004.htmlhttps://www.zerodayinitiative.com/advisories/ZDI-CAN-18866/