Linux Kernel BPF net/unix/af_unix.c unix_sock_destructor/unix_release_sock memory leak

CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.1 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in Linux Kernel. Affected is the function unix_sock_destructor/unix_release_sock
of the file net/unix/af_unix.c of the component BPF. The manipulation leads to memory leak.
This vulnerability is traded as CVE-2022-3543. There is no exploit available.
It is recommended to apply a patch to fix this issue.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Details
A vulnerability, which was classified as problematic, has been found in Linux Kernel (Operating System) (version unknown). This issue affects the function unix_sock_destructor/unix_release_sock
of the file net/unix/af_unix.c of the component BPF. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability.
The weakness was presented 10/17/2022. It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2022-3543. Technical details of the vulnerability are known, but there is no available exploit.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.2VulDB Meta Temp Score: 4.1
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CNA Base Score: 3.5
CNA Vector (VulDB): 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Memory leakCWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: git.kernel.org
Timeline
10/17/2022 🔍10/17/2022 🔍
10/17/2022 🔍
11/09/2022 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2022-3543 (🔍)
GCVE (CVE): GCVE-0-2022-3543
GCVE (VulDB): GCVE-100-211043
Entry
Created: 10/17/2022 01:20 PMUpdated: 11/09/2022 04:21 PM
Changes: 10/17/2022 01:20 PM (41), 11/09/2022 04:14 PM (2), 11/09/2022 04:21 PM (21)
Complete: 🔍
Cache ID: 18:6E3:40
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