CVE-2022-42328 | BDVDB-2026-190014 Detail
LinuxLinux
Description#
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).
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: local.
Weaknesses#
- CWE-667 Improper Locking
References#
- https://xenbits.xenproject.org/xsa/advisory-424.txt
- http://www.openwall.com/lists/oss-security/2022/12/08/3
- http://www.openwall.com/lists/oss-security/2022/12/08/2
- http://www.openwall.com/lists/oss-security/2022/12/09/2
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
- https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
- https://cert-portal.siemens.com/productcert/html/ssa-625862.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.