Distros-[dirtyvma] privilege escalation via non-rcu-protected vma traversal
63Vexday Risk Score
Prioritize patching. It exploitation observed by VulnCheck and has a public proof of concept.
ssvc Actcvss 7.8epss 1.3%
from disclosure to weapon0 days
Published on NVDJul 11
1st PoCJun 28
VulnCheck+514d
exploitation probability
1.3%top 32% of all CVEs
observed exploitation
yesVulnCheck
1 public exploit(s)
A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products
Fedora · Fedoran/a · kernelRed Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9public PoCs found — 1
vulncheckvulncheck.com/xdb/e01c0a7c63c9unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://access.redhat.com/security/cve/CVE-2023-3269https://bugzilla.redhat.com/show_bug.cgi?id=2215268http://seclists.org/fulldisclosure/2023/Jul/43https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U6AAA64CUPSMBW6XDTXPQJ3KQWYQ4K7L/https://security.netapp.com/advisory/ntap-20230908-0001/https://www.openwall.com/lists/oss-security/2023/07/05/1http://www.openwall.com/lists/oss-security/2023/07/28/1http://www.openwall.com/lists/oss-security/2023/08/25/1http://www.openwall.com/lists/oss-security/2023/08/25/4