Linux: Out-of-bounds Read
CVE-2026-23325 is a high-severity out-of-bounds read vulnerability in Linux, with a CVSS 3.1 base score of 7.1 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. The record lists versions a6605f61913155e130bfd04d438c3ce1a572fb0f, ca1adc04fc2cb1d9f1842e429debe6a520d54966, f4cdf6b43689e901a341e7147fcfb25057c38eae as the first without the flaw, so updating Linux to one of those releases or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.13% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Linux to a6605f61913155e130bfd04d438c3ce1a572fb0f or ca1adc04fc2cb1d9f1842e429debe6a520d54966 or f4cdf6b43689e901a341e7147fcfb25057c38eae or 45661d22639c4b747ef1bd0822b8e76e421a808a, whichever matches your release line, or a later version.
- Update Linux Kernel to 6.6.130 or 6.12.77 or 6.18.17 or 6.19.7, whichever matches your release line, or a later version.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Linux | Linux | 98686cd21624c75a043e96812beadddf4f6f48e5 up to, but not including, a6605f61913155e130bfd04d438c3ce1a572fb0f; 98686cd21624c75a043e96812beadddf4f6f48e5 up to, but not including, ca1adc04fc2cb1d9f1842e429debe6a520d54966; 98686cd21624c75a043e96812beadddf4f6f48e5 up to, but not including, f4cdf6b43689e901a341e7147fcfb25057c38eae; 98686cd21624c75a043e96812beadddf4f6f48e5 up to, but not including, 45661d22639c4b747ef1bd0822b8e76e421a808a; 98686cd21624c75a043e96812beadddf4f6f48e5 up to, but not including, 60862846308627e9e15546bb647a00de44deb27b; 6.2 | a6605f61913155e130bfd04d438c3ce1a572fb0f, ca1adc04fc2cb1d9f1842e429debe6a520d54966, f4cdf6b43689e901a341e7147fcfb25057c38eae, 45661d22639c4b747ef1bd0822b8e76e421a808a, 60862846308627e9e15546bb647a00de44deb27b |
| Linux | Linux Kernel | 6.2.1 up to, but not including, 6.6.130; 6.7 up to, but not including, 6.12.77; 6.13 up to, but not including, 6.18.17; 6.19 up to, but not including, 6.19.7; 6.2; 7.0 | 6.6.130, 6.12.77, 6.18.17, 6.19.7 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H. Scored by NVD.
Official description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: Fix possible oob access in mt7996_mac_write_txwi_80211() Check frame length before accessing the mgmt fields in mt7996_mac_write_txwi_80211 in order to avoid a possible oob access.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
How developers prevent this class of flaw
- Use a language that provides appropriate memory abstractions.
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Patches and release notes
- git.kernel.org/stable/c/45661d22639c4b747ef1bd0822b8e76e421a808a
- git.kernel.org/stable/c/60862846308627e9e15546bb647a00de44deb27b
- git.kernel.org/stable/c/a6605f61913155e130bfd04d438c3ce1a572fb0f
- git.kernel.org/stable/c/ca1adc04fc2cb1d9f1842e429debe6a520d54966
- git.kernel.org/stable/c/f4cdf6b43689e901a341e7147fcfb25057c38eae
Recent Out-of-bounds Read vulnerabilities
- 7.1 High severity
- 7.1 High severity
- 7.1 High severity
- 7.1 High severity
- 7.1 High severity
- 7.1 High severity
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