CVE-2024-56768
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2024-56768
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56768.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2024-56768
- Downstream
- Related
- Published
- 2025-01-06T17:15:43Z
- Modified
- 2025-01-16T05:00:04Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix bpfgetsmpprocessorid() on !CONFIG_SMP
On x86-64 calling bpfgetsmpprocessorid() in a kernel with CONFIGSMP disabled can trigger the following bug, as pcpuhot is unavailable:
[ 8.471774] BUG: unable to handle page fault for address: 00000000936a290c [ 8.471849] #PF: supervisor read access in kernel mode [ 8.471881] #PF: error_code(0x0000) - not-present page
Fix by inlining a return 0 in the !CONFIG_SMP case.
- References
Affected packages
Debian:13 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source