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CVE-2024-39475

fbdev: savage: Handle err return when savagefb_check_var failed

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.19.316, 5.4.278, 5.10.219, 5.15.161, 6.1.94, and 2 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

In the Linux kernel, the following vulnerability has been resolved: fbdev: savage: Handle err return when savagefb_check_var failed The commit 04e5eac8f3ab("fbdev: savage: Error out if pixclock equals zero") checks the value of pixclock to avoid divide-by-zero error. However the function savagefb_probe doesn't handle the error return of savagefb_check_var. When pixclock is 0, it will cause divide-by-zero error.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From 4.19.308 · fixed in 4.19.316; From 5.4.270 · fixed in 5.4.278; From 5.10.211 · fixed in 5.10.219; From 5.15.150 · fixed in 5.15.161; From 6.1.80 · fixed in 6.1.94; From 6.6.19 · fixed in 6.6.34; From 6.7.7 · fixed in 6.8

  • Linux Linux

    6.8

References 8

git.kernel.org