Vulnerability in Linux
CVE-2022-42328
Guests can trigger deadlock in Linux netback driver T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The patch for XSA-392 introduced another issue which might result in a deadlock when trying to free the SKB of a packet dropped due to the XSA-392 handling (CVE-2022-42328). Additionally when dropping packages for other reasons the same deadlock could occur in case of netpoll being active for the interface the xen-netback driver is connected to (CVE-2022-42329).
EPSS: 0.002 (11.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions consult Xen advisory XSA-424
- Linux Linux_kernel
- Debian Debian_linux — versions 10.0
Weakness classification (CWE)
References
- security@xen.org (Third Party Advisory)
- security@xen.org (mailing-list, Patch, Mailing List, Third Party Advisory)
- security@xen.org (mailing-list, Patch, Mailing List, Third Party Advisory)
- security@xen.org (mailing-list, Patch, Mailing List, Third Party Advisory)
- security@xen.org (mailing-list, Mailing List, Third Party Advisory)
- security@xen.org (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-42328?
- CVE-2022-42328 is a medium-severity vulnerability in Linux, classified under Improper Locking. CVSS score: 5.5/10. Published 2022-12-07.
- How severe is CVE-2022-42328?
- Medium severity. CVSS v3 base score is 5.5 out of 10.