Use After Free Affecting bpftool package, versions <0:3.10.0-1062.el7
Threat Intelligence
EPSS
0.06% (30th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS7-BPFTOOL-2138199
- published 26 Jul 2021
- disclosed 1 Jun 2018
Introduced: 1 Jun 2018
CVE-2018-14734 Open this link in a new tabHow to fix?
Upgrade Centos:7
bpftool
to version 0:3.10.0-1062.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bpftool
package and not the bpftool
package as distributed by Centos
.
See How to fix?
for Centos:7
relevant fixed versions and status.
drivers/infiniband/core/ucma.c in the Linux kernel through 4.17.11 allows ucma_leave_multicast to access a certain data structure after a cleanup step in ucma_process_join, which allows attackers to cause a denial of service (use-after-free).
References
- https://access.redhat.com/security/cve/CVE-2018-14734
- https://www.debian.org/security/2018/dsa-4308
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb2595c1393b4a5211534e6f0a0fbad369e21ad8
- https://github.com/torvalds/linux/commit/cb2595c1393b4a5211534e6f0a0fbad369e21ad8
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
- https://access.redhat.com/errata/RHSA-2019:2029
- https://usn.ubuntu.com/3797-1/
- https://usn.ubuntu.com/3797-2/
- https://usn.ubuntu.com/3847-1/
- https://usn.ubuntu.com/3847-2/
- https://usn.ubuntu.com/3847-3/
- https://usn.ubuntu.com/3849-1/
- https://usn.ubuntu.com/3849-2/