5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.2 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%
In the Linux kernel, the following vulnerability has been resolved:
cgroup: Add missing cpus_read_lock() to cgroup_attach_task_all()
syzbot is hitting percpu_rwsem_assert_held(&cpu_hotplug_lock) warning at
cpuset_attach() [1], for commit 4f7e7236435ca0ab (“cgroup: Fix
threadgroup_rwsem <-> cpus_read_lock() deadlock”) missed that
cpuset_attach() is also called from cgroup_attach_task_all().
Add cpus_read_lock() like what cgroup_procs_write_start() does.
git.kernel.org/stable/c/07191f984842d50020789ff14c75da436a7f46a9
git.kernel.org/stable/c/321488cfac7d0eb6d97de467015ff754f85813ff
git.kernel.org/stable/c/43626dade36fa74d3329046f4ae2d7fdefe401c6
git.kernel.org/stable/c/5db17805b6ba4c34dab303f49aea3562fc25af75
git.kernel.org/stable/c/99bc25748e394d17f9e8b10cc7f273b8e64c1c7e
git.kernel.org/stable/c/9f267393b036f1470fb12fb892d59e7ff8aeb58d
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.2 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%