CVE-2024-39475

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux224453de8505aede1890f007be973925a3edf6a1 < be754cbd77eaf2932408a4e18532e4945274a5c7affected
LinuxLinux84dce0f6a4cc5b7bfd7242ef9290db8ac1dd77ff < 86435f39c18967cdd937d7a49ba539cdea7fb547affected
LinuxLinux512ee6d6041e007ef5bf200c6e388e172a2c5b24 < 32f92b0078ebf79dbe4827288e0acb50d89d3d5baffected
LinuxLinux8c54acf33e5adaad6374bf3ec1e3aff0591cc8e1 < 4b2c67e30b4e1d2ae19dba8b8e8f3b5fd3cf8089affected
LinuxLinux070398d32c5f3ab0e890374904ad94551c76aec4 < edaa57480b876e8203b51df7c3d14a51ea6b09e3affected
LinuxLinuxbc3c2e58d73b28b9a8789fca84778ee165a72d13 < b8385ff814ca4cb7e63789841e6ec2a14c73e1e8affected
LinuxLinux04e5eac8f3ab2ff52fa191c187a46d4fdbc1e288 < 5f446859bfa46df0ffb34149499f48a2c2d8cd95affected
LinuxLinux04e5eac8f3ab2ff52fa191c187a46d4fdbc1e288 < 6ad959b6703e2c4c5d7af03b4cfd5ff608036339affected
LinuxLinuxa9ca4e80d23474f90841251f4ac0d941fa337a01affected
LinuxLinux4.19.308 < 4.19.316affected
LinuxLinux5.4.270 < 5.4.278affected
LinuxLinux5.10.211 < 5.10.219affected
LinuxLinux5.15.150 < 5.15.161affected
LinuxLinux6.1.80 < 6.1.94affected
LinuxLinux6.6.19 < 6.6.34affected
LinuxLinux6.7.7 < 6.8affected
LinuxLinux6.8affected
LinuxLinux0 < 6.8unaffected
LinuxLinux4.19.316 <= 4.19.*unaffected
LinuxLinux5.4.278 <= 5.4.*unaffected
LinuxLinux5.10.219 <= 5.10.*unaffected
LinuxLinux5.15.161 <= 5.15.*unaffected
LinuxLinux6.1.94 <= 6.1.*unaffected
LinuxLinux6.6.34 <= 6.6.*unaffected
LinuxLinux6.9.5 <= 6.9.*unaffected
LinuxLinux6.10 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References