CVE-2024-38615
cpufreq: exit() callback is optional
MEDIUM
5.5
CVSS Score
Published: June 19, 2024 at 01:56 PM UTC
Updated: October 15, 2026 at 01:18 AM UTC
7 products affected across 2 vendorsLinux KernelSIMATIC S7-1500 TM MFPRUGGEDCOM RST2428P Firmware
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
In the Linux kernel, the following vulnerability has been resolved: cpufreq: exit() callback is optional The exit() callback is optional and shouldn't be called without checking a valid pointer first. Also, we must clear freq_table pointer even if the exit() callback isn't present.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
5.1 ≤ v < 5.4.2785.11 ≤ v < 5.15.1615.16 ≤ v < 6.1.935.5 ≤ v < 5.10.2196.2 ≤ v < 6.6.336.7 ≤ v < 6.8.126.9 ≤ v < 6.9.35.191a12e91dc39137906d929a4ff6f9c32c59697fa
Vendor states this is fixed in 2d730b465e377396d2a09a53524b96b111f7ccb6 (fixed)
Vendor states this is fixed in 35db5e76d5e9f752476df5fa0b9018a2398b0378 (fixed)
Vendor states this is fixed in 3e99f060cfd2e36504d62c9132b453ade5027e1c (fixed)
Vendor states this is fixed in 8bc9546805e572ad101681437a49939f28777273 (fixed)
Vendor states this is fixed in a8204d1b6ff762d2171d365c2c8560285d0a233d (fixed)
Vendor states this is fixed in ae37ebca325097d773d7bb6ec069123b30772872 (fixed)
Vendor states this is fixed in b8f85833c05730d631576008daaa34096bc7f3ce (fixed)
Vendor states this is fixed in dfc56ff5ec9904c008e9376d90a6d7e2d2bec4d3 (fixed)
Vendor states this is fixed in 5.1 (unaffected)
Vendor states this is fixed in 5.10.219 (unaffected)
Vendor states this is fixed in 5.15.161 (unaffected)
Vendor states this is fixed in 5.4.278 (unaffected)
Vendor states this is fixed in 6.1.93 (unaffected)
Vendor states this is fixed in 6.10 (unaffected)
Vendor states this is fixed in 6.6.33 (unaffected)
Vendor states this is fixed in 6.8.12 (unaffected)
Vendor states this is fixed in 6.9.3 (unaffected)
v < V3.1
Affected range stops below V3.1, so it looks safe — our inference, not a vendor statement
v < V3.1
Affected range stops below V3.1, so it looks safe — our inference, not a vendor statement
v < V3.1
Affected range stops below V3.1, so it looks safe — our inference, not a vendor statement
v < V3.1
Affected range stops below V3.1, so it looks safe — our inference, not a vendor statement
v < V3.1
Affected range stops below V3.1, so it looks safe — our inference, not a vendor statement
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/2d730b465e377396d2a09a53524b96b111f7ccb6
- https://git.kernel.org/stable/c/35db5e76d5e9f752476df5fa0b9018a2398b0378
- https://git.kernel.org/stable/c/3e99f060cfd2e36504d62c9132b453ade5027e1c
- https://git.kernel.org/stable/c/8bc9546805e572ad101681437a49939f28777273
- https://git.kernel.org/stable/c/a8204d1b6ff762d2171d365c2c8560285d0a233d
References (10)
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2d730b465e377396d2a09a53524b96b111f7ccb6Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/35db5e76d5e9f752476df5fa0b9018a2398b0378Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3e99f060cfd2e36504d62c9132b453ade5027e1cPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8bc9546805e572ad101681437a49939f28777273Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a8204d1b6ff762d2171d365c2c8560285d0a233dPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ae37ebca325097d773d7bb6ec069123b30772872Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b8f85833c05730d631576008daaa34096bc7f3cePatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/dfc56ff5ec9904c008e9376d90a6d7e2d2bec4d3SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-476
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