CVE-2022-49114
"Red Hat Linux kernel Use-After-Free in libfc"
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix use after free in fc_exch_abts_resp() fc_exch_release(ep) will decrease the ep's reference count. When the reference count reaches zero, it is freed. But ep is still used in the following code, which will lead to a use after free. Return after the fc_exch_release() call to avoid use after free.
INFO
Published Date :
Feb. 26, 2025, 7 a.m.
Last Modified :
March 25, 2025, 4:19 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
5.9
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-2022-49114.
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-2022-49114 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-49114 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.
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Initial Analysis by [email protected]
Mar. 25, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.189 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.238 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.16.20 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.17 up to (excluding) 5.17.3 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.111 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.276 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.9.311 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.34 Added Reference Type kernel.org: https://git.kernel.org/stable/c/1d7effe5fff9d28e45e18ac3a564067c7ddfe898 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/271add11994ba1a334859069367e04d2be2ebdd4 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/412dd8299b02e4410fe77b8396953c1a8dde183a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/499d198494e77b6533251b9b909baf5c101129cb Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/4a131d4ea8b581ac9b01d3a72754db4848be3232 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/5cf2ce8967b0d98c8cfa4dc42ef4fcf080f5c836 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/6044ad64f41c87382cfeeca281573d1886d80cbe Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/87909291762d08fdb60d19069d7a89b5b308d0ef Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f581df412bc45c95176e3c808ee2839c05b2ab0c Types: Patch -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Mar. 04, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-416 -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 26, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix use after free in fc_exch_abts_resp() fc_exch_release(ep) will decrease the ep's reference count. When the reference count reaches zero, it is freed. But ep is still used in the following code, which will lead to a use after free. Return after the fc_exch_release() call to avoid use after free. Added Reference https://git.kernel.org/stable/c/1d7effe5fff9d28e45e18ac3a564067c7ddfe898 Added Reference https://git.kernel.org/stable/c/271add11994ba1a334859069367e04d2be2ebdd4 Added Reference https://git.kernel.org/stable/c/412dd8299b02e4410fe77b8396953c1a8dde183a Added Reference https://git.kernel.org/stable/c/499d198494e77b6533251b9b909baf5c101129cb Added Reference https://git.kernel.org/stable/c/4a131d4ea8b581ac9b01d3a72754db4848be3232 Added Reference https://git.kernel.org/stable/c/5cf2ce8967b0d98c8cfa4dc42ef4fcf080f5c836 Added Reference https://git.kernel.org/stable/c/6044ad64f41c87382cfeeca281573d1886d80cbe Added Reference https://git.kernel.org/stable/c/87909291762d08fdb60d19069d7a89b5b308d0ef Added Reference https://git.kernel.org/stable/c/f581df412bc45c95176e3c808ee2839c05b2ab0c
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-49114 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-2022-49114
weaknesses.