CVE-2021-47330
Linux Kernel tty serial Memory Leak
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.
INFO
Published Date :
May 21, 2024, 3:15 p.m.
Last Modified :
Dec. 24, 2024, 4:17 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-47330.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47330 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47330 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Dec. 24, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NIST CWE-401 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.4.276 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.276 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.240 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.198 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.134 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.52 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12.19 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.13 up to (excluding) 5.13.4 Changed Reference Type https://git.kernel.org/stable/c/331f5923fce4f45b8170ccf06c529e8eb28f37bc No Types Assigned https://git.kernel.org/stable/c/331f5923fce4f45b8170ccf06c529e8eb28f37bc Patch Changed Reference Type https://git.kernel.org/stable/c/331f5923fce4f45b8170ccf06c529e8eb28f37bc No Types Assigned https://git.kernel.org/stable/c/331f5923fce4f45b8170ccf06c529e8eb28f37bc Patch Changed Reference Type https://git.kernel.org/stable/c/34f4590f5ec9859ea9136249f528173d150bd584 No Types Assigned https://git.kernel.org/stable/c/34f4590f5ec9859ea9136249f528173d150bd584 Patch Changed Reference Type https://git.kernel.org/stable/c/34f4590f5ec9859ea9136249f528173d150bd584 No Types Assigned https://git.kernel.org/stable/c/34f4590f5ec9859ea9136249f528173d150bd584 Patch Changed Reference Type https://git.kernel.org/stable/c/7a80f71601af015856a0aeb1e3c294037ac3dd32 No Types Assigned https://git.kernel.org/stable/c/7a80f71601af015856a0aeb1e3c294037ac3dd32 Patch Changed Reference Type https://git.kernel.org/stable/c/7a80f71601af015856a0aeb1e3c294037ac3dd32 No Types Assigned https://git.kernel.org/stable/c/7a80f71601af015856a0aeb1e3c294037ac3dd32 Patch Changed Reference Type https://git.kernel.org/stable/c/b2ef1f5de40342de44fc5355321595f91774dab5 No Types Assigned https://git.kernel.org/stable/c/b2ef1f5de40342de44fc5355321595f91774dab5 Patch Changed Reference Type https://git.kernel.org/stable/c/b2ef1f5de40342de44fc5355321595f91774dab5 No Types Assigned https://git.kernel.org/stable/c/b2ef1f5de40342de44fc5355321595f91774dab5 Patch Changed Reference Type https://git.kernel.org/stable/c/b5a2799cd62ed30c81b22c23028d9ee374e2138c No Types Assigned https://git.kernel.org/stable/c/b5a2799cd62ed30c81b22c23028d9ee374e2138c Patch Changed Reference Type https://git.kernel.org/stable/c/b5a2799cd62ed30c81b22c23028d9ee374e2138c No Types Assigned https://git.kernel.org/stable/c/b5a2799cd62ed30c81b22c23028d9ee374e2138c Patch Changed Reference Type https://git.kernel.org/stable/c/c39cf4df19acf0133fa284a8cd83fad42cd13cc2 No Types Assigned https://git.kernel.org/stable/c/c39cf4df19acf0133fa284a8cd83fad42cd13cc2 Patch Changed Reference Type https://git.kernel.org/stable/c/c39cf4df19acf0133fa284a8cd83fad42cd13cc2 No Types Assigned https://git.kernel.org/stable/c/c39cf4df19acf0133fa284a8cd83fad42cd13cc2 Patch Changed Reference Type https://git.kernel.org/stable/c/cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461 No Types Assigned https://git.kernel.org/stable/c/cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461 Patch Changed Reference Type https://git.kernel.org/stable/c/cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461 No Types Assigned https://git.kernel.org/stable/c/cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461 Patch Changed Reference Type https://git.kernel.org/stable/c/ee16bed959862a6de2913f71a04cb563d7237b67 No Types Assigned https://git.kernel.org/stable/c/ee16bed959862a6de2913f71a04cb563d7237b67 Patch Changed Reference Type https://git.kernel.org/stable/c/ee16bed959862a6de2913f71a04cb563d7237b67 No Types Assigned https://git.kernel.org/stable/c/ee16bed959862a6de2913f71a04cb563d7237b67 Patch Changed Reference Type https://git.kernel.org/stable/c/fad92b11047a748c996ebd6cfb164a63814eeb2e No Types Assigned https://git.kernel.org/stable/c/fad92b11047a748c996ebd6cfb164a63814eeb2e Patch Changed Reference Type https://git.kernel.org/stable/c/fad92b11047a748c996ebd6cfb164a63814eeb2e No Types Assigned https://git.kernel.org/stable/c/fad92b11047a748c996ebd6cfb164a63814eeb2e Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/331f5923fce4f45b8170ccf06c529e8eb28f37bc Added Reference https://git.kernel.org/stable/c/34f4590f5ec9859ea9136249f528173d150bd584 Added Reference https://git.kernel.org/stable/c/7a80f71601af015856a0aeb1e3c294037ac3dd32 Added Reference https://git.kernel.org/stable/c/b2ef1f5de40342de44fc5355321595f91774dab5 Added Reference https://git.kernel.org/stable/c/b5a2799cd62ed30c81b22c23028d9ee374e2138c Added Reference https://git.kernel.org/stable/c/c39cf4df19acf0133fa284a8cd83fad42cd13cc2 Added Reference https://git.kernel.org/stable/c/cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461 Added Reference https://git.kernel.org/stable/c/ee16bed959862a6de2913f71a04cb563d7237b67 Added Reference https://git.kernel.org/stable/c/fad92b11047a748c996ebd6cfb164a63814eeb2e -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 21, 2024
Action Type Old Value New Value Added 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. Added Reference kernel.org https://git.kernel.org/stable/c/b5a2799cd62ed30c81b22c23028d9ee374e2138c [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/331f5923fce4f45b8170ccf06c529e8eb28f37bc [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/34f4590f5ec9859ea9136249f528173d150bd584 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/ee16bed959862a6de2913f71a04cb563d7237b67 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/7a80f71601af015856a0aeb1e3c294037ac3dd32 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/c39cf4df19acf0133fa284a8cd83fad42cd13cc2 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/b2ef1f5de40342de44fc5355321595f91774dab5 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/fad92b11047a748c996ebd6cfb164a63814eeb2e [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47330 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-47330
weaknesses.