CVE-2023-52646
aio: fix mremap after fork null-deref
Description
In the Linux kernel, the following vulnerability has been resolved: aio: fix mremap after fork null-deref Commit e4a0d3e720e7 ("aio: Make it possible to remap aio ring") introduced a null-deref if mremap is called on an old aio mapping after fork as mm->ioctx_table will be set to NULL. [[email protected]: fix 80 column issue]
INFO
Published Date :
April 26, 2024, 1:15 p.m.
Last Modified :
Jan. 27, 2025, 3:09 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 packages.
- Reboot the system to apply the updates.
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-2023-52646.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-52646 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-2023-52646
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-2023-52646 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-52646 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]
Jan. 27, 2025
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-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.19 up to (excluding) 4.14.306 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.273 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.232 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.169 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.95 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.13 *cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc7:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc8:*:*:*:*:*:* Changed Reference Type https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1 No Types Assigned https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1 Patch Changed Reference Type https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1 No Types Assigned https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1 Patch Changed Reference Type https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2 No Types Assigned https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2 Patch Changed Reference Type https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2 No Types Assigned https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2 Patch Changed Reference Type https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95 No Types Assigned https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95 Patch Changed Reference Type https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95 No Types Assigned https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95 Patch Changed Reference Type https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1 No Types Assigned https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1 Patch Changed Reference Type https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1 No Types Assigned https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1 Patch Changed Reference Type https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d No Types Assigned https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d Patch Changed Reference Type https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d No Types Assigned https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d Patch Changed Reference Type https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f No Types Assigned https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f Patch Changed Reference Type https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f No Types Assigned https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f Patch Changed Reference Type https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22 No Types Assigned https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22 Patch Changed Reference Type https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22 No Types Assigned https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22 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/178993157e8c50aef7f35d7d6d3b44bb428199e1 Added Reference https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2 Added Reference https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95 Added Reference https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1 Added Reference https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d Added Reference https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f Added Reference https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22 -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 29, 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
Apr. 26, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: aio: fix mremap after fork null-deref Commit e4a0d3e720e7 ("aio: Make it possible to remap aio ring") introduced a null-deref if mremap is called on an old aio mapping after fork as mm->ioctx_table will be set to NULL. [[email protected]: fix 80 column issue] Added Reference kernel.org https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1 [No types assigned]