CVE-2024-26789
crypto: arm64/neonbs - fix out-of-bounds access on short input
Description
In the Linux kernel, the following vulnerability has been resolved: crypto: arm64/neonbs - fix out-of-bounds access on short input The bit-sliced implementation of AES-CTR operates on blocks of 128 bytes, and will fall back to the plain NEON version for tail blocks or inputs that are shorter than 128 bytes to begin with. It will call straight into the plain NEON asm helper, which performs all memory accesses in granules of 16 bytes (the size of a NEON register). For this reason, the associated plain NEON glue code will copy inputs shorter than 16 bytes into a temporary buffer, given that this is a rare occurrence and it is not worth the effort to work around this in the asm code. The fallback from the bit-sliced NEON version fails to take this into account, potentially resulting in out-of-bounds accesses. So clone the same workaround, and use a temp buffer for short in/outputs.
INFO
Published Date :
April 4, 2024, 9:15 a.m.
Last Modified :
April 4, 2025, 2:29 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 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update the Linux kernel package to a patched 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-2024-26789.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-26789 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-2024-26789
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-2024-26789 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-26789 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]
Apr. 04, 2025
Action Type Old Value New Value Added CWE CWE-125 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.8:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.8:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.18 up to (including) 6.1.81 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (including) 6.6.21 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (including) 6.7.9 Added Reference Type CVE: https://git.kernel.org/stable/c/034e2d70b5c7f578200ad09955aeb2aa65d1164a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/034e2d70b5c7f578200ad09955aeb2aa65d1164a Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/1291d278b5574819a7266568ce4c28bce9438705 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/1291d278b5574819a7266568ce4c28bce9438705 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/1c0cf6d19690141002889d72622b90fc01562ce4 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/1c0cf6d19690141002889d72622b90fc01562ce4 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/9e8ecd4908b53941ab6f0f51584ab80c6c6606c4 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9e8ecd4908b53941ab6f0f51584ab80c6c6606c4 Types: 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/034e2d70b5c7f578200ad09955aeb2aa65d1164a Added Reference https://git.kernel.org/stable/c/1291d278b5574819a7266568ce4c28bce9438705 Added Reference https://git.kernel.org/stable/c/1c0cf6d19690141002889d72622b90fc01562ce4 Added Reference https://git.kernel.org/stable/c/9e8ecd4908b53941ab6f0f51584ab80c6c6606c4 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Nov. 01, 2024
Action Type Old Value New Value Added CVSS V3.1 CISA-ADP AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H -
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. 04, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: crypto: arm64/neonbs - fix out-of-bounds access on short input The bit-sliced implementation of AES-CTR operates on blocks of 128 bytes, and will fall back to the plain NEON version for tail blocks or inputs that are shorter than 128 bytes to begin with. It will call straight into the plain NEON asm helper, which performs all memory accesses in granules of 16 bytes (the size of a NEON register). For this reason, the associated plain NEON glue code will copy inputs shorter than 16 bytes into a temporary buffer, given that this is a rare occurrence and it is not worth the effort to work around this in the asm code. The fallback from the bit-sliced NEON version fails to take this into account, potentially resulting in out-of-bounds accesses. So clone the same workaround, and use a temp buffer for short in/outputs. Added Reference kernel.org https://git.kernel.org/stable/c/034e2d70b5c7f578200ad09955aeb2aa65d1164a [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/1291d278b5574819a7266568ce4c28bce9438705 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/9e8ecd4908b53941ab6f0f51584ab80c6c6606c4 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/1c0cf6d19690141002889d72622b90fc01562ce4 [No types assigned]