SARA / Free Tools / CVE / CVE-2022-3643

CVE-2022-3643 — Guests can trigger NIC interface reset/abort/crash via netback It is possible fo

Guests can trigger NIC interface reset/abort/crash via netback It is possible for a guest to trigger a NIC interface reset/abort/crash in a Linux based network backend by sending certain kinds of packets. It appears to be an (unwritten?) assumption in the rest of the Linux networ

CVSS
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EPSS
0.09% (top 74.30%)
CWE
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Published
2022-12-07T00:00:00.000Z
Last modified
2024-08-03T01:14:03.290Z
CVSS vector
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01What is this vulnerability?

Guests can trigger NIC interface reset/abort/crash via netback It is possible for a guest to trigger a NIC interface reset/abort/crash in a Linux based network backend by sending certain kinds of packets. It appears to be an (unwritten?) assumption in the rest of the Linux network stack that packet protocol headers are all contained within the linear section of the SKB and some NICs behave badly…

02Affected products

VendorProductVersions
LinuxLinuxconsult Xen advisory XSA-423

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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