In the Linux kernel, the following vulnerability has been resolved:
ethtool: strset: fix message length calculation
Outer nest for ETHTOOL_A_STRSET_STRINGSETS is not accounted for. This may result in ETHTOOL_MSG_STRSET_GET producing a warning like:
calculated message payload length (684) not sufficient WARNING: CPU: 0 PID: 30967 at net/ethtool/netlink.c:369 ethnl_default_doit+0x87a/0xa20
and a splat.
As usually with such warnings three conditions must be met for the warning to trigger: - there must be no skb size rounding up (e.g. reply_size of 684); - string set must be per-device (so that the header gets populated); - the device name must be at least 12 characters long.
all in all with current user space it looks like reading priv flags is the only place this could potentially happen. Or with syzbot :)
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade bpftool-debuginfoUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-debuginfoUpgrade kernel-develUpgrade kernel-headersUpgrade perf-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-toolsUpgrade perfUpgrade python-perfUpgrade kernelUpgrade kernel-tools-devel | Dec 12, 2024 | May 21, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | May 21, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 21, 2024 |
| Suse | — | Upgrade kernel-sourceUpgrade kernel-symsUpgrade kernel-zfcpdumpUpgrade kernel-macrosUpgrade kernel-64kb-develUpgrade kernel-preemptUpgrade kernel-default-develUpgrade kernel-64kbUpgrade reiserfs-kmp-defaultUpgrade kernel-defaultUpgrade kernel-default-baseUpgrade kernel-develUpgrade kernel-preempt-develUpgrade kernel-docsUpgrade kernel-obs-build | Aug 9, 2024 | May 21, 2024 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub