Vulnerability Details : CVE-2021-47009
In the Linux kernel, the following vulnerability has been resolved:
KEYS: trusted: Fix memory leak on object td
Two error return paths are neglecting to free allocated object td,
causing a memory leak. Fix this by returning via the error return
path that securely kfree's td.
Fixes clang scan-build warning:
security/keys/trusted-keys/trusted_tpm1.c:496:10: warning: Potential
memory leak [unix.Malloc]
Products affected by CVE-2021-47009
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.12:rc1:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-47009
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 5 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47009
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST | 2024-12-09 |
CWE ids for CVE-2021-47009
-
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-47009
-
https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c
KEYS: trusted: Fix memory leak on object td - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8
KEYS: trusted: Fix memory leak on object td - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321
KEYS: trusted: Fix memory leak on object td - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af
KEYS: trusted: Fix memory leak on object td - kernel/git/stable/linux.git - Linux kernel stable treePatch
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