vulnerability
Oracle Linux: CVE-2024-26602: ELSA-2024-2394: kernel security, bug fix, and enhancement update (IMPORTANT) (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:H/Au:S/C:N/I:N/A:C) | 02/24/2024 | 03/21/2024 | 01/07/2025 |
Severity
4
CVSS
(AV:L/AC:H/Au:S/C:N/I:N/A:C)
Published
02/24/2024
Added
03/21/2024
Modified
01/07/2025
Description
In the Linux kernel, the following vulnerability has been resolved:
sched/membarrier: reduce the ability to hammer on sys_membarrier
On some systems, sys_membarrier can be very expensive, causing overall
slowdowns for everything. So put a lock on the path in order to
serialize the accesses to prevent the ability for this to be called at
too high of a frequency and saturate the machine.
A flaw was found in sys_membarrier in the Linux kernel in sched/membarrier in how a user calls it at too high of a frequency. This flaw allows a local user to saturate the machine.
sched/membarrier: reduce the ability to hammer on sys_membarrier
On some systems, sys_membarrier can be very expensive, causing overall
slowdowns for everything. So put a lock on the path in order to
serialize the accesses to prevent the ability for this to be called at
too high of a frequency and saturate the machine.
A flaw was found in sys_membarrier in the Linux kernel in sched/membarrier in how a user calls it at too high of a frequency. This flaw allows a local user to saturate the machine.
Solution
oracle-linux-upgrade-kernel
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