CVE-2024-36969: linux Divide By Zero
Vulnerability summary
CVE-2024-36969 is a medium (CVSS 5.5) Divide By Zero vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.9% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 22 · Related 20Timeline
- 08-06-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix division by zero in setup_dsc_config When slice_height is 0, the division by slice_height in the calculation of the number of slices will cause a division by zero driver crash. This leaves the kernel in a state that requires a reboot. This patch adds a check to avoid the division by zero. The stack trace below is for the 6.8.4 Kernel. I reproduced the issue on a Z16 Gen 2 Lenovo Thinkpad with a Apple Studio Display monitor connected via Thunderbolt. The amdgpu driver crashed with this exception when I rebooted the system with the monitor connected. kernel: ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447) kernel: ? do_trap (arch/x86/kernel/traps.c:113 arch/x86/kernel/traps.c:154) kernel: ? setup_dsc_config (drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.c:1053) amdgpu kernel: ? do_error_trap (./arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:175) kernel: ? setup_dsc_config (drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.c:1053) amdgpu kernel: ? exc_divide_error (arch/x86/kernel/traps.c:194 (discriminator 2)) kernel: ? setup_dsc_config (drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.c:1053) amdgpu kernel: ? asm_exc_divide_error (./arch/x86/include/asm/idtentry.h:548) kernel: ? setup_dsc_config (drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.c:1053) amdgpu kernel: dc_dsc_compute_config (drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.c:1109) amdgpu After applying this patch, the driver no longer crashes when the monitor is connected and the system is rebooted. I believe this is the same issue reported for 3113.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
0.00 pp
From 0.21% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu124 products
- linuxAll versions (No fix recorded) | < 5.15.0-118.128 | < 6.8.0-40.40
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1067.73 | < 6.8.0-1013.14
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < a32c8f951c8a456c1c251e1dcdf21787f8066445 | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 91402e0e5de9124a3108db7a14163fcf9a6d322f | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 7e4f50dfc98c49b3dc6875a35c3112522fb25639 | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < f187fcbbb8f8bf10c6687f0beae22509369f7563 | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 308de6be0c9c7ba36915c0d398e771725c0ea911 | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 130afc8a886183a94cf6eab7d24f300014ff87ba | 4.15
- linux_kernel< 5.15.160 | ≥ 5.16, < 6.1.92 | ≥ 6.2, < 6.6.32 | ≥ 6.7, < 6.8.11 | ≥ 6.9, < 6.9.2
Debian1 product
- linux< 6.1.94-1 | < 6.8.11-1
3 vendors · 127 products
