CVE-2024-46847 — Improper Validation of Array Index in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 89.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 27
Latest updateJan 9
Description
In the Linux kernel, the following vulnerability has been resolved:
mm: vmalloc: ensure vmap_block is initialised before adding to queue
Commit 8c61291fd850 ("mm: fix incorrect vbq reference in
purge_fragmented_block") extended the 'vmap_block' structure to contain a
'cpu' field which is set at allocation time to the id of the initialising
CPU.
When a new 'vmap_block' is being instantiated by new_vmap_block(), the
partially initialised structure is added to the local 'vmap_block_queue'
xarray…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages9 packages
Patches
🔴Vulnerability Details
6OSV▶
linux, linux-aws, linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-gke, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oem-6.8, linux-oracle, linux-oracle-6.8, linux-raspi vulnerabilities↗2024-12-12
GHSA▶
GHSA-9r77-32hh-rxf4: In the Linux kernel, the following vulnerability has been resolved:
mm: vmalloc: ensure vmap_block is initialised before adding to queue
Commit 8c61↗2024-09-27