CVE-2015-5156
medium
CVSS v3
—
CVSS v4 NEW
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VIR risk
6.1
Description
The virtnet_probe function in drivers/net/virtio_net.c in the Linux kernel before 4.2 attempts to support a FRAGLIST feature without proper memory allocation, which allows guest OS users to cause a denial of service (buffer overflow and memory corruption) via a crafted sequence of fragmented packets.
Predictions
Exploit likelihood
20%
Patch ETA
—
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 |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.1.5-1 |
| debian | bullseye | fixed | 4.1.5-1 |
| debian | forky | fixed | 4.1.5-1 |
| debian | sid | fixed | 4.1.5-1 |
| debian | trixie | fixed | 4.1.5-1 |
| linux-kernel | affected | |
References
- https://www.suse.com/security/cve/CVE-2015-5156.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=48900cb6af4282fa0fb6ff4d72a81aa3dadb5c39
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171454.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169378.html
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html
- http://rhn.redhat.com/errata/RHSA-2015-1978.html
- http://rhn.redhat.com/errata/RHSA-2016-0855.html
- http://www.debian.org/security/2015/dsa-3364
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/76230
- http://www.securitytracker.com/id/1034045
- http://www.ubuntu.com/usn/USN-2773-1
- http://www.ubuntu.com/usn/USN-2774-1
- http://www.ubuntu.com/usn/USN-2777-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1243852
- https://github.com/torvalds/linux/commit/48900cb6af4282fa0fb6ff4d72a81aa3dadb5c39
- https://security-tracker.debian.org/tracker/CVE-2015-5156
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.