CVE-2022-26362

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.37% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 31.6% of scored records. A rank, not a probability.

NVD base score

6.4 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-06-09 12:50Z4 YR AGO

Last updated

2024-08-03 05:03Z2 YR AGO

Reserved

2022-03-02

Assigning CNA

XEN

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class

Data version

5.1

Document digest

1442a43428738589b1cde39c4c1d7e712b830bc9617cb0494ef34e116c664cd6

• xenbits.xenproject.orghttps://xenbits.xenproject.org/xsa/advisory-401.txtx_refsource_MISC
• xenbits.xen.orghttp://xenbits.xen.org/xsa/advisory-401.htmlx_refsource_CONFIRM
• www.openwall.com[oss-security] 20220609 Xen Security Advisory 401 v2 (CVE-2022-26362) - x86 pv: Race condition in typeref acquisitionhttp://www.openwall.com/lists/oss-security/2022/06/09/3mailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2022-0142d562cahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OH65U6FTTB5MLH5A6Q3TW7KVCGOG4MYI/vendor-advisoryx_refsource_FEDORA
• packetstormsecurity.comhttp://packetstormsecurity.com/files/167718/Xen-TLB-Flush-Bypass.htmlx_refsource_MISC
• www.debian.orgDSA-5184https://www.debian.org/security/2022/dsa-5184vendor-advisoryx_refsource_DEBIAN
• lists.fedoraproject.orgFEDORA-2022-2c9f8224f8https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/vendor-advisoryx_refsource_FEDORA
• security.gentoo.orgGLSA-202208-23https://security.gentoo.org/glsa/202208-23vendor-advisoryx_refsource_GENTOO