Vulnerability Details : CVE-2022-42329
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).
Products affected by CVE-2022-42329
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-42329
0.01%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 1 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-42329
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2022-42329
-
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-42329
-
https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
[SECURITY] [DLA 3244-1] linux-5.10 security updateMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2022/12/08/2
oss-security - Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) - Guests can trigger deadlock in Linux netback driverMailing List;Patch;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2022/12/08/3
oss-security - Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) - Guests can trigger deadlock in Linux netback driverMailing List;Patch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html
[SECURITY] [DLA 3245-1] linux security updateMailing List;Third Party Advisory
-
https://xenbits.xenproject.org/xsa/advisory-424.txt
Vendor Advisory
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http://www.openwall.com/lists/oss-security/2022/12/09/2
oss-security - Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) - Guests can trigger deadlock in Linux netback driverMailing List;Patch;Third Party Advisory
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