CVEvulnerability
CVE-2021-47330
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-05-21
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-401
Description
In the Linux kernel, the following vulnerability has been resolved:
tty: serial: 8250: serial_cs: Fix a memory leak in error handling path
In the probe function, if the final 'serial_config()' fails, 'info' is
leaking.
Add a resource handling path to free this memory.
Affected configurations
• linux linux kernel (< 4.4.276)
• linux linux kernel (>= 4.5 < 4.9.276)
• linux linux kernel (>= 4.10 < 4.14.240)
• linux linux kernel (>= 4.15 < 4.19.198)
• linux linux kernel (>= 4.20 < 5.4.134)
• linux linux kernel (>= 5.5 < 5.10.52)
• linux linux kernel (>= 5.11 < 5.12.19)
• linux linux kernel (>= 5.13 < 5.13.4)
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- https://git.kernel.org/stable/c/331f5923fce4f45b8170ccf06c529e8eb28f37bc Patch
- https://git.kernel.org/stable/c/34f4590f5ec9859ea9136249f528173d150bd584 Patch
- https://git.kernel.org/stable/c/7a80f71601af015856a0aeb1e3c294037ac3dd32 Patch
- https://git.kernel.org/stable/c/b2ef1f5de40342de44fc5355321595f91774dab5 Patch
- https://git.kernel.org/stable/c/b5a2799cd62ed30c81b22c23028d9ee374e2138c Patch
- https://git.kernel.org/stable/c/c39cf4df19acf0133fa284a8cd83fad42cd13cc2 Patch
- https://git.kernel.org/stable/c/cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461 Patch
- https://git.kernel.org/stable/c/ee16bed959862a6de2913f71a04cb563d7237b67 Patch
- https://git.kernel.org/stable/c/fad92b11047a748c996ebd6cfb164a63814eeb2e Patch
- https://git.kernel.org/stable/c/331f5923fce4f45b8170ccf06c529e8eb28f37bc Patch
- https://git.kernel.org/stable/c/34f4590f5ec9859ea9136249f528173d150bd584 Patch
- https://git.kernel.org/stable/c/7a80f71601af015856a0aeb1e3c294037ac3dd32 Patch
- https://git.kernel.org/stable/c/b2ef1f5de40342de44fc5355321595f91774dab5 Patch
- https://git.kernel.org/stable/c/b5a2799cd62ed30c81b22c23028d9ee374e2138c Patch
- https://git.kernel.org/stable/c/c39cf4df19acf0133fa284a8cd83fad42cd13cc2 Patch
- https://git.kernel.org/stable/c/cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461 Patch
- https://git.kernel.org/stable/c/ee16bed959862a6de2913f71a04cb563d7237b67 Patch
- https://git.kernel.org/stable/c/fad92b11047a748c996ebd6cfb164a63814eeb2e Patch