SECUFOCUSNOW
Home›CVE index›CVE-2024-57849
Review reviewHigh

CVE-2024-57849

Linux Linux, linux kernel

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 sampling data buffers (SDBs) allocated for that CPU at event initialization. It also clears the PMU_F_RESERV...

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2025.01.12
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

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 sampling data buffers (SDBs) allocated for that CPU at event initialization. It also clears the PMU_F_RESERV...

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= e3d617fe6ac7294974fc513dc5e4d8ada8080fd1 < 238e3af849dfdcb1faed544349f7025e533f9aab, >= e3d617fe6ac7294974fc513dc5e4d8ada8080fd1 < 99192c735ed4bfdff0d215ec85c8a87a677cb898, >= e3d617fe6ac7294974fc513dc5e4d8ada8080fd1 < 06a92f810df8037ca36157282ddcbefdcaf049b8, >= e3d617fe6ac7294974fc513dc5e4d8ada8080fd1 < b5be6a0bb639d165c8418d8dddd8f322587be8be, >= e3d617fe6ac7294974fc513dc5e4d8ada8080fd1 < a69752f1e5de817941a2ea0609254f6f25acd274, >= e3d617fe6ac7294974fc513dc5e4d8ada8080fd1 < be54e6e0f93a39a9c00478d70d12956a5f3d5b9b, >= e3d617fe6ac7294974fc513dc5e4d8ada8080fd1 < a0bd7dacbd51c632b8e2c0500b479af564afadf3, >= 4.8, < 5.4.287, >= 5.5 < 5.10.231, >= 5.11 < 5.15.174, >= 5.16 < 6.1.120, >= 6.2 < 6.6.66, >= 6.7 < 6.12.5
Fixed versions
5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.66, 6.12.5

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-416
CVE-2024-57849 — Linux Linux, linux kernel | SECUFOCUS NOW