CVEvulnerability
CVE-2018-1091
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-03-27
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-119, CWE-391
Description
In the flush_tmregs_to_thread function in arch/powerpc/kernel/ptrace.c in the Linux kernel before 4.13.5, a guest kernel crash can be triggered from unprivileged userspace during a core dump on a POWER host due to a missing processor feature check and an erroneous use of transactional memory (TM) instructions in the core dump path, leading to a denial of service.
Affected configurations
• linux linux kernel (<= 4.13.4)
Related
Weakness · not in database (1)
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1fa0768a8713b135848f78fd43ffc208d8ded70 Patch, Vendor Advisory
- http://openwall.com/lists/oss-security/2018/03/27/4 Mailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1318 access.redhat.com
- https://access.redhat.com/security/cve/cve-2018-1091 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1558149 Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/c1fa0768a8713b135848f78fd43ffc208d8ded70 Patch, Third Party Advisory
- https://marc.info/?l=linuxppc-embedded&m=150535531910494&w=2 Patch, Third Party Advisory
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5 Patch, Vendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1fa0768a8713b135848f78fd43ffc208d8ded70 Patch, Vendor Advisory
- http://openwall.com/lists/oss-security/2018/03/27/4 Mailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1318 access.redhat.com
- https://access.redhat.com/security/cve/cve-2018-1091 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1558149 Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/c1fa0768a8713b135848f78fd43ffc208d8ded70 Patch, Third Party Advisory
- https://marc.info/?l=linuxppc-embedded&m=150535531910494&w=2 Patch, Third Party Advisory
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5 Patch, Vendor Advisory