CVE-2016-3707
Description
The icmp_check_sysrq function in net/ipv4/icmp.c in the kernel.org projects/rt patches for the Linux kernel, as used in the kernel-rt package before 3.10.0-327.22.1 in Red Hat Enterprise Linux for Real Time 7 and other products, allows remote attackers to execute SysRq commands via crafted ICMP Echo Request packets, as demonstrated by a brute-force attack to discover a cookie, or an attack that occurs after reading the local icmp_echo_sysrq file.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 3.15~rc5-1~exp1 |
| debian | bullseye | fixed | 3.15~rc5-1~exp1 |
| debian | forky | fixed | 3.15~rc5-1~exp1 |
| debian | sid | fixed | 3.15~rc5-1~exp1 |
| debian | trixie | fixed | 3.15~rc5-1~exp1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
- http://www.openwall.com/lists/oss-security/2016/05/17/1
- https://access.redhat.com/errata/RHSA-2016:1301
- https://access.redhat.com/errata/RHSA-2016:1341
- https://bugzilla.redhat.com/show_bug.cgi?id=1327484
- https://security-tracker.debian.org/tracker/CVE-2016-3707
CWEs
CWE-284
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.