Use After Free in Linux Kernel
CVE-2019-11815
An issue was discovered in rds_tcp_kill_sock in net/rds/tcp.c in the Linux kernel before 5.0.8. There is a race condition leading to a use-after-free, related to net namespace cleanup.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.044 (91.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.045 · newest: 0.044 · change: -0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.8 (Release Notes, Vendor Advisory)
- github.com/torvalds/linux/commit/cb66ddd156203daefb8d71158036b27b0e2caf63 (Exploit, Patch, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Exploit, Patch, Vendor Advisory)
- www.securityfocus.com/bid/108283 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html (vendor-advisory, Mailing List, Third Party Advisory)
- support.f5.com/csp/article/K32019083 (Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html (vendor-advisory, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4008-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4005-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-11815?
- CVE-2019-11815 is a high-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.1/10. Published 2019-05-08.
- How severe is CVE-2019-11815?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2019-11815 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.