CVE-2024-57849 — Use After Free in Linux
Severity
7.8HIGHNVD
OSV8.8OSV5.5
EPSS
0.0%
top 93.62%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 11
Latest updateMay 28
Description
In the Linux kernel, the following vulnerability has been resolved:
s390/cpum_sf: Handle CPU hotplug remove during sampling
CPU hotplug remove handling triggers the following function
call sequence:
CPUHP_AP_PERF_S390_SF_ONLINE --> s390_pmu_sf_offline_cpu()
...
CPUHP_AP_PERF_ONLINE --> perf_event_exit_cpu()
The s390 CPUMF sampling CPU hotplug handler invokes:
s390_pmu_sf_offline_cpu()
+--> cpusf_pmu_setup()
+--> setup_pmc_cpu()
+--> deallocate_buffers()
This function de-allocates all sampl…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages6 packages
▶CVEListV5linux/linuxe3d617fe6ac7294974fc513dc5e4d8ada8080fd1 — 238e3af849dfdcb1faed544349f7025e533f9aab+7