CVE-2026-43077
crypto: algif_aead - Fix minimum RX size check for decryption
Description
In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Fix minimum RX size check for decryption The check for the minimum receive buffer size did not take the tag size into account during decryption. Fix this by adding the required extra length.
INFO
Published Date :
May 6, 2026, 10:16 a.m.
Last Modified :
May 20, 2026, 11:19 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
- Apply the kernel patch for algif_aead.
- Ensure the tag size is considered in RX buffer checks.
- Update the Linux kernel to the latest version.
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-2026-43077.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-43077 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-2026-43077
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-2026-43077 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-43077 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]
May. 20, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:4.14:-:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.24 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 6.19.14 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.83 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.136 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.204 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.170 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.14.1 up to (excluding) 5.10.254 Added Reference Type kernel.org: https://git.kernel.org/stable/c/1c76b5675119f694458293a2a81f40731c69bd32 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/3afdc15d6173614d7d834517d9b65e7aa5a08548 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/3d14bd48e3a77091cbce637a12c2ae31b4a1687c Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/74a66fdb5282d89e348b00c42cfca3a936946d94 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/78cea133daf721698876e56135049a96d39d610a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/af2fa2fbbced26129813274b8b3f7705f280e174 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e86ab1e5661386a874fbb8551f0c04b8e9f8ad22 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/fd427dd84f224309afbcc2cb67c7bb770a01265c Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 06, 2026
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Fix minimum RX size check for decryption The check for the minimum receive buffer size did not take the tag size into account during decryption. Fix this by adding the required extra length. Added Reference https://git.kernel.org/stable/c/1c76b5675119f694458293a2a81f40731c69bd32 Added Reference https://git.kernel.org/stable/c/3afdc15d6173614d7d834517d9b65e7aa5a08548 Added Reference https://git.kernel.org/stable/c/3d14bd48e3a77091cbce637a12c2ae31b4a1687c Added Reference https://git.kernel.org/stable/c/74a66fdb5282d89e348b00c42cfca3a936946d94 Added Reference https://git.kernel.org/stable/c/78cea133daf721698876e56135049a96d39d610a Added Reference https://git.kernel.org/stable/c/af2fa2fbbced26129813274b8b3f7705f280e174 Added Reference https://git.kernel.org/stable/c/e86ab1e5661386a874fbb8551f0c04b8e9f8ad22 Added Reference https://git.kernel.org/stable/c/fd427dd84f224309afbcc2cb67c7bb770a01265c