CVE-2024-35955 (GCVE-0-2024-35955)
Vulnerability from cvelistv5 – Published: 2024-05-20 09:41 – Updated: 2026-10-15 00:41
VLAI
EPSS
VEX
Title
kprobes: Fix possible use-after-free issue on kprobe registration
Summary
In the Linux kernel, the following vulnerability has been resolved:
kprobes: Fix possible use-after-free issue on kprobe registration
When unloading a module, its state is changing MODULE_STATE_LIVE ->
MODULE_STATE_GOING -> MODULE_STATE_UNFORMED. Each change will take
a time. `is_module_text_address()` and `__module_text_address()`
works with MODULE_STATE_LIVE and MODULE_STATE_GOING.
If we use `is_module_text_address()` and `__module_text_address()`
separately, there is a chance that the first one is succeeded but the
next one is failed because module->state becomes MODULE_STATE_UNFORMED
between those operations.
In `check_kprobe_address_safe()`, if the second `__module_text_address()`
is failed, that is ignored because it expected a kernel_text address.
But it may have failed simply because module->state has been changed
to MODULE_STATE_UNFORMED. In this case, arm_kprobe() will try to modify
non-exist module text address (use-after-free).
To fix this problem, we should not use separated `is_module_text_address()`
and `__module_text_address()`, but use only `__module_text_address()`
once and do `try_module_get(module)` which is only available with
MODULE_STATE_LIVE.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-20 17:42 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
12 references
Impacted products
7 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
1c836bad43f3e2ff71cc397a6e6ccb4e7bd116f8 , < b5808d40093403334d939e2c3c417144d12a6f33
(git)
Affected: 6a119c1a584aa7a2c6216458f1f272bf1bc93a93 , < 93eb31e7c3399e326259f2caa17be1e821f5a412 (git) Affected: 2a49b025c36ae749cee7ccc4b7e456e02539cdc3 , < 5062d1f4f07facbdade0f402d9a04a788f52e26d (git) Affected: a1edb85e60fdab1e14db63ae8af8db3f0d798fb6 , < 2df2dd27066cdba8041e46a64362325626bdfb2e (git) Affected: 28f6c37a2910f565b4f5960df52b2eccae28c891 , < 62029bc9ff2c17a4e3a2478d83418ec575413808 (git) Affected: 28f6c37a2910f565b4f5960df52b2eccae28c891 , < d15023fb407337028a654237d8968fefdcf87c2f (git) Affected: 28f6c37a2910f565b4f5960df52b2eccae28c891 , < 36b57c7d2f8b7de224980f1a284432846ad71ca0 (git) Affected: 28f6c37a2910f565b4f5960df52b2eccae28c891 , < 325f3fb551f8cd672dbbfc4cf58b14f9ee3fc9e8 (git) Affected: 4262b6eb057d86c7829168c541654fe0d48fdac8 (git) Affected: 97e813e6a143edf4208e15c72199c495ed80cea5 (git) Affected: 16a544f1e013ba0660612f3fe35393b143b19a84 (git) Affected: 4.19.256 , < 4.19.313 (semver) Affected: 5.4.211 , < 5.4.275 (semver) Affected: 5.10.137 , < 5.10.216 (semver) Affected: 5.15.61 , < 5.15.157 (semver) Affected: 4.14.291 , < 4.15 (semver) Affected: 5.18.18 , < 5.19 (semver) Affected: 5.19.2 , < 5.20 (semver) |
guessed | |
| Linux | Linux |
Affected:
6.0
Unaffected: 0 , < 6.0 (semver) Unaffected: 4.19.313 , ≤ 4.19.* (semver) Unaffected: 5.4.275 , ≤ 5.4.* (semver) Unaffected: 5.10.216 , ≤ 5.10.* (semver) Unaffected: 5.15.157 , ≤ 5.15.* (semver) Unaffected: 6.1.87 , ≤ 6.1.* (semver) Unaffected: 6.6.28 , ≤ 6.6.* (semver) Unaffected: 6.8.7 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix) |
guessed | |
| linux | linux_kernel |
Affected:
1c836bad43f3 , < b5808d400934
(git)
Affected: 6a119c1a584a , < 93eb31e7c339 (git) Affected: 2a49b025c36a , < 93eb31e7c339 (git) Affected: a1edb85e60fd , < 2df2dd27066c (git) Affected: 28f6c37a2910 , < 62029bc9ff2c (git) Affected: 28f6c37a2910 , < d15023fb4073 (git) Affected: 28f6c37a2910 , < 36b57c7d2f8b (git) Affected: 28f6c37a2910 , < 325f3fb551f8 (git) Affected: 6.0 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
||
| Siemens | RUGGEDCOM RST2428P |
Affected:
0 , < V3.1
(custom)
|
guessed | |
| Siemens | SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family |
Unaffected:
0 , < *
(custom)
|
guessed | |
| Siemens | SCALANCE XCM-/XRM-/XCH-/XRH-300 family |
Affected:
0 , < V3.1
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < V1.1.1
(custom)
|
guessed |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nkprobes: Fix possible use-after-free issue on kprobe registration\n\nWhen unloading a module, its state is changing MODULE_STATE_LIVE -\u003e\n MODULE_STATE_GOING -\u003e MODULE_STATE_UNFORMED. Each change will take\na time. `is_module_text_address()` and `__module_text_address()`\nworks with MODULE_STATE_LIVE and MODULE_STATE_GOING.\nIf we use `is_module_text_address()` and `__module_text_address()`\nseparately, there is a chance that the first one is succeeded but the\nnext one is failed because module-\u003estate becomes MODULE_STATE_UNFORMED\nbetween those operations.\n\nIn `check_kprobe_address_safe()`, if the second `__module_text_address()`\nis failed, that is ignored because it expected a kernel_text address.\nBut it may have failed simply because module-\u003estate has been changed\nto MODULE_STATE_UNFORMED. In this case, arm_kprobe() will try to modify\nnon-exist module text address (use-after-free).\n\nTo fix this problem, we should not use separated `is_module_text_address()`\nand `__module_text_address()`, but use only `__module_text_address()`\nonce and do `try_module_get(module)` which is only available with\nMODULE_STATE_LIVE."
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.