kernel: denial of service in arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c via sigreturn() system call
Published Jul 19, 2019
5.5
MEDIUMCVSS 3.1
EPSS 0.58%
Description
In the Linux kernel through 5.2.1 on the powerpc platform, when hardware transactional memory is disabled, a local user can cause a denial of service (TM Bad Thing exception and system crash) via a sigreturn() system call that sends a crafted signal frame. This affects arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c.
Affected products
No data.
- ≤ 5.2.1
No data.
Red Hat Enterprise Linux 7
kernel-0:3.10.0-1127.el7
Fixed · RHSA-2020:1016
Red Hat Enterprise Linux 7.7 Extended Update Support
kernel-0:3.10.0-1062.30.1.el7
Fixed · RHSA-2020:3019
Red Hat Enterprise Linux 8
kernel-0:4.18.0-147.el8
Fixed · RHSA-2019:3517
Red Hat Enterprise Linux 5
kernel
Out of support scope
Red Hat Enterprise Linux 6
kernel
Out of support scope
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
Red Hat Enterprise MRG 2
kernel-rt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-1127.el7 | Fixed | RHSA-2020:1016 |
| Red Hat Enterprise Linux 7.7 Extended Update Support | kernel-0:3.10.0-1062.30.1.el7 | Fixed | RHSA-2020:3019 |
| Red Hat Enterprise Linux 8 | kernel-0:4.18.0-147.el8 | Fixed | RHSA-2019:3517 |
| Red Hat Enterprise Linux 5 | kernel | Out of support scope | n/a |
| Red Hat Enterprise Linux 6 | kernel | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | kernel-rt | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (21)
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html vendor-advisoryx_refsource_SUSE
- http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html x_refsource_MISC
- http://www.openwall.com/lists/oss-security/2019/07/30/1 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2019-13648 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1735630 Issue Tracking
- https://git.kernel.org/torvalds/c/f16d80b75a096c52354c6e0a574993f3b0dfbdfe x_refsource_CONFIRM
- https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html mailing-listx_refsource_MLIST
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GRK2MW223KQZ76DKEF2BZFN6TCXLZLDS/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2019-13648
- https://patchwork.ozlabs.org/patch/1133904/ x_refsource_MISCPatchThird Party Advisory
- https://seclists.org/bugtraq/2019/Aug/13 mailing-listx_refsource_BUGTRAQ
- https://seclists.org/bugtraq/2019/Aug/18 mailing-listx_refsource_BUGTRAQ
- https://seclists.org/bugtraq/2019/Aug/26 mailing-listx_refsource_BUGTRAQ
- https://security.netapp.com/advisory/ntap-20190806-0001/ x_refsource_CONFIRM
- https://usn.ubuntu.com/4114-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/4115-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/4116-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2019-13648
- https://www.debian.org/security/2019/dsa-4495 vendor-advisoryx_refsource_DEBIAN
- https://www.debian.org/security/2019/dsa-4497 vendor-advisoryx_refsource_DEBIAN
Change history (0)
No recorded changes yet.