Linux Kernel up to 6.6-rc4 net/tipc/crypto.c tipc_crypto_key_revoke deadlock

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Linux Kernel up to 6.6-rc4 and classified as problematic. Impacted is the function tipc_crypto_key_revoke of the file net/tipc/crypto.c. The manipulation results in deadlock.
This vulnerability was named CVE-2024-0641. The attack needs to be approached locally. There is no available exploit.
It is suggested to upgrade the affected component.
Details
A vulnerability classified as problematic has been found in Linux Kernel up to 6.6-rc4 (Operating System). Affected is the function tipc_crypto_key_revoke of the file net/tipc/crypto.c. The manipulation with an unknown input leads to a deadlock vulnerability. CWE is classifying the issue as CWE-833. The product contains multiple threads or executable segments that are waiting for each other to release a necessary lock, resulting in deadlock. This is going to have an impact on availability. CVE summarizes:
A denial of service vulnerability was found in tipc_crypto_key_revoke in net/tipc/crypto.c in the Linux kernel’s TIPC subsystem. This flaw allows guests with local user privileges to trigger a deadlock and potentially crash the system.
The weakness was presented 01/17/2024. The advisory is shared for download at access.redhat.com. This vulnerability is traded as CVE-2024-0641 since 01/17/2024. There are known technical details, but no exploit is available.
Upgrading to version 6.6-rc5 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 08e50cf071847323414df0835109b6f3560d44f5 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.2VulDB Meta Temp Score: 5.2
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CNA Base Score: 4.7
CNA Vector (Red Hat, Inc.): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: DeadlockCWE: CWE-833 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 6.6-rc5
Patch: 08e50cf071847323414df0835109b6f3560d44f5
Timeline
01/17/2024 🔍01/17/2024 🔍
01/17/2024 🔍
02/10/2024 🔍
Sources
Vendor: kernel.orgAdvisory: 08e50cf071847323414df0835109b6f3560d44f5
Status: Confirmed
CVE: CVE-2024-0641 (🔍)
GCVE (CVE): GCVE-0-2024-0641
GCVE (VulDB): GCVE-100-251388
Entry
Created: 01/17/2024 17:19Updated: 02/10/2024 20:57
Changes: 01/17/2024 17:19 (54), 02/10/2024 20:50 (1), 02/10/2024 20:57 (12)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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