What’s Vulnerable › Vulnerabilities

CVE-2024-26994: speakup: Avoid crash on very long word

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-01 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: speakup: Avoid crash on very long word In case a console is set up really large and contains a really long word (> 256 characters), we have to stop before the length of the word buffer.

Affected products

• Debian Linux: 10.0
• Fedoraproject Fedora: 38, 39, 40
• Linux kernel: from 2.6.37 before 4.19.313; from 4.20 before 5.4.275; from 5.5 before 5.10.216; from 5.11 before 5.15.157; from 5.16 before 6.1.88; from 6.2 before 6.6.29 — fixed in 4.19.313, 5.10.216, 5.15.157, 5.4.275, 6.1.88, 6.6.29

How to fix

Upgrade to a fixed version: Linux kernel 4.19.313, 5.10.216, 5.15.157, 5.4.275. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0d130158db29f5e0b3893154908cf618896450a8
• https://git.kernel.org/stable/c/0efb15c14c493263cb3a5f65f5ddfd4603d19a76
• https://git.kernel.org/stable/c/6401038acfa24cba9c28cce410b7505efadd0222
• https://git.kernel.org/stable/c/756c5cb7c09e537b87b5d3acafcb101b2ccf394f
• https://git.kernel.org/stable/c/89af25bd4b4bf6a71295f07e07a8ae7dc03c6595
• https://git.kernel.org/stable/c/8defb1d22ba0395b81feb963b96e252b097ba76f
• https://git.kernel.org/stable/c/8f6b62125befe1675446923e4171eac2c012959c
• https://git.kernel.org/stable/c/c8d2f34ea96ea3bce6ba2535f867f0d4ee3b22e1
• https://git.kernel.org/stable/c/0d130158db29f5e0b3893154908cf618896450a8
• https://git.kernel.org/stable/c/0efb15c14c493263cb3a5f65f5ddfd4603d19a76
• https://git.kernel.org/stable/c/6401038acfa24cba9c28cce410b7505efadd0222
• https://git.kernel.org/stable/c/756c5cb7c09e537b87b5d3acafcb101b2ccf394f

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