Linux Kernel prior 5.16-rc1 EXT4 File System ovl_aio_cleanup_handler use after free
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, was found in Linux Kernel (Operating System). Affected is the function ovl_aio_cleanup_handler
of the component EXT4 File System. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was presented 03/17/2023. The advisory is available at bugzilla.redhat.com. This vulnerability is traded as CVE-2023-1252 since 03/07/2023. Technical details are known, but there is no available exploit.
Upgrading to version 5.16-rc1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at lore.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.1VulDB Meta Temp Score: 6.0
VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
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: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 5.16-rc1
Patch: lore.kernel.org
Timeline
03/07/2023 🔍03/17/2023 🔍
03/17/2023 🔍
04/11/2023 🔍
Sources
Vendor: kernel.orgAdvisory: bugzilla.redhat.com
Status: Confirmed
CVE: CVE-2023-1252 (🔍)
Entry
Created: 03/17/2023 15:52Updated: 04/11/2023 14:39
Changes: 03/17/2023 15:52 (41), 04/11/2023 14:35 (1), 04/11/2023 14:38 (11), 04/11/2023 14:39 (1)
Complete: 🔍
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