CVE-2024-43888
mm: list_lru: fix UAF for memory cgroup
Severity Score
7.1
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track
*SSVC
Descriptions
In the Linux kernel, the following vulnerability has been resolved:
mm: list_lru: fix UAF for memory cgroup
The mem_cgroup_from_slab_obj() is supposed to be called under rcu lock or
cgroup_mutex or others which could prevent returned memcg from being
freed. Fix it by adding missing rcu read lock.
Found by code inspection.
[songmuchun@bytedance.com: only grab rcu lock when necessary, per Vlastimil]
Link: https://lkml.kernel.org/r/20240801024603.1865-1-songmuchun@bytedance.com
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2024-08-17 CVE Reserved
- 2024-08-26 CVE Published
- 2024-08-27 EPSS Updated
- 2024-12-19 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| https://git.kernel.org/stable/c/0a97c01cd20bb96359d8c9dedad92a061ed34e0b | Vuln. Introduced |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://git.kernel.org/stable/c/4589f77c18dd98b65f45617b6d1e95313cf6fcab | 2024-08-14 | |
| https://git.kernel.org/stable/c/5161b48712dcd08ec427c450399d4d1483e21dea | 2024-08-08 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2024-43888 | 2024-11-12 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2307861 | 2024-11-12 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.8 < 6.10.5 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.8 < 6.10.5" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.8 < 6.11 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.8 < 6.11" | en |
Affected
| ||||||