CVE-2021-46963
QLogic qla2xxx Double Free
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand() RIP: 0010:kmem_cache_free+0xfa/0x1b0 Call Trace: qla2xxx_mqueuecommand+0x2b5/0x2c0 [qla2xxx] scsi_queue_rq+0x5e2/0xa40 __blk_mq_try_issue_directly+0x128/0x1d0 blk_mq_request_issue_directly+0x4e/0xb0 Fix incorrect call to free srb in qla2xxx_mqueuecommand(), as srb is now allocated by upper layers. This fixes smatch warning of srb unintended free.
INFO
Published Date :
Feb. 27, 2024, 7:04 p.m.
Last Modified :
Dec. 11, 2024, 4:12 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to the latest version.
- Reboot the system to apply the kernel update.
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-2021-46963.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-46963 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-2021-46963
weaknesses.
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-2021-46963 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-46963 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. 11, 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 NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.19.90 up to (excluding) 4.19.191 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.4.4 up to (excluding) 5.4.118 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.36 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.11.20 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.12 up to (excluding) 5.12.3 Changed Reference Type https://git.kernel.org/stable/c/6641df81ab799f28a5d564f860233dd26cca0d93 No Types Assigned https://git.kernel.org/stable/c/6641df81ab799f28a5d564f860233dd26cca0d93 Patch Changed Reference Type https://git.kernel.org/stable/c/6641df81ab799f28a5d564f860233dd26cca0d93 No Types Assigned https://git.kernel.org/stable/c/6641df81ab799f28a5d564f860233dd26cca0d93 Patch Changed Reference Type https://git.kernel.org/stable/c/702cdaa2c6283c135ef16d52e0e4e3c1005aa538 No Types Assigned https://git.kernel.org/stable/c/702cdaa2c6283c135ef16d52e0e4e3c1005aa538 Patch Changed Reference Type https://git.kernel.org/stable/c/702cdaa2c6283c135ef16d52e0e4e3c1005aa538 No Types Assigned https://git.kernel.org/stable/c/702cdaa2c6283c135ef16d52e0e4e3c1005aa538 Patch Changed Reference Type https://git.kernel.org/stable/c/77509a238547863040a42d57c72403f7d4c89a8f No Types Assigned https://git.kernel.org/stable/c/77509a238547863040a42d57c72403f7d4c89a8f Patch Changed Reference Type https://git.kernel.org/stable/c/77509a238547863040a42d57c72403f7d4c89a8f No Types Assigned https://git.kernel.org/stable/c/77509a238547863040a42d57c72403f7d4c89a8f Patch Changed Reference Type https://git.kernel.org/stable/c/80ef24175df2cba3860d0369d1c662b49ee2de56 No Types Assigned https://git.kernel.org/stable/c/80ef24175df2cba3860d0369d1c662b49ee2de56 Patch Changed Reference Type https://git.kernel.org/stable/c/80ef24175df2cba3860d0369d1c662b49ee2de56 No Types Assigned https://git.kernel.org/stable/c/80ef24175df2cba3860d0369d1c662b49ee2de56 Patch Changed Reference Type https://git.kernel.org/stable/c/a73208e3244127ef9f2cdf24e4adb947aaa32053 No Types Assigned https://git.kernel.org/stable/c/a73208e3244127ef9f2cdf24e4adb947aaa32053 Patch Changed Reference Type https://git.kernel.org/stable/c/a73208e3244127ef9f2cdf24e4adb947aaa32053 No Types Assigned https://git.kernel.org/stable/c/a73208e3244127ef9f2cdf24e4adb947aaa32053 Patch Changed Reference Type https://git.kernel.org/stable/c/c5ab9b67d8b061de74e2ca51bf787ee599bd7f89 No Types Assigned https://git.kernel.org/stable/c/c5ab9b67d8b061de74e2ca51bf787ee599bd7f89 Patch Changed Reference Type https://git.kernel.org/stable/c/c5ab9b67d8b061de74e2ca51bf787ee599bd7f89 No Types Assigned https://git.kernel.org/stable/c/c5ab9b67d8b061de74e2ca51bf787ee599bd7f89 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/6641df81ab799f28a5d564f860233dd26cca0d93 Added Reference https://git.kernel.org/stable/c/702cdaa2c6283c135ef16d52e0e4e3c1005aa538 Added Reference https://git.kernel.org/stable/c/77509a238547863040a42d57c72403f7d4c89a8f Added Reference https://git.kernel.org/stable/c/80ef24175df2cba3860d0369d1c662b49ee2de56 Added Reference https://git.kernel.org/stable/c/a73208e3244127ef9f2cdf24e4adb947aaa32053 Added Reference https://git.kernel.org/stable/c/c5ab9b67d8b061de74e2ca51bf787ee599bd7f89 -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 14, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 27, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand() RIP: 0010:kmem_cache_free+0xfa/0x1b0 Call Trace: qla2xxx_mqueuecommand+0x2b5/0x2c0 [qla2xxx] scsi_queue_rq+0x5e2/0xa40 __blk_mq_try_issue_directly+0x128/0x1d0 blk_mq_request_issue_directly+0x4e/0xb0 Fix incorrect call to free srb in qla2xxx_mqueuecommand(), as srb is now allocated by upper layers. This fixes smatch warning of srb unintended free. Added Reference Linux https://git.kernel.org/stable/c/c5ab9b67d8b061de74e2ca51bf787ee599bd7f89 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/77509a238547863040a42d57c72403f7d4c89a8f [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/702cdaa2c6283c135ef16d52e0e4e3c1005aa538 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/80ef24175df2cba3860d0369d1c662b49ee2de56 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/a73208e3244127ef9f2cdf24e4adb947aaa32053 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/6641df81ab799f28a5d564f860233dd26cca0d93 [No types assigned]