vulnerability
Red Hat: CVE-2019-13648: denial of service in arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c via sigreturn() system call (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:N/I:N/A:C) | Jul 19, 2019 | Apr 1, 2020 | Jul 9, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
Jul 19, 2019
Added
Apr 1, 2020
Modified
Jul 9, 2025
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.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-kernel
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