CVE-2024-56573: linux Release of Invalid Pointer or Reference
Vulnerability summary
CVE-2024-56573 is a high (CVSS 7.0) Release of Invalid Pointer or Reference vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.4% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 20 · Related 22Timeline
- 27-12-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: efi/libstub: Free correct pointer on failure cmdline_ptr is an out parameter, which is not allocated by the function itself, and likely points into the caller's stack. cmdline refers to the pool allocation that should be freed when cleaning up after a failure, so pass this instead to free_pool().
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
0.00 pp
From 0.24% 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
Ubuntu105 products
- linux< 6.8.0-58.60
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1027.29
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 42c8ea3dca094ab82776ca706fb7a9cbe8ac3dc9, < d173aee5709bd0994d216d60589ec67f8b11376a | ≥ 42c8ea3dca094ab82776ca706fb7a9cbe8ac3dc9, < eaafbcf0a5782ae412ca7de12ef83fc48ccea4cf | ≥ 42c8ea3dca094ab82776ca706fb7a9cbe8ac3dc9, < 06d39d79cbd5a91a33707951ebf2512d0e759847 | 6.2
- linux_kernel≥ 6.2, < 6.6.64 | ≥ 6.7, < 6.12.4
Debian1 product
- linux< 6.12.5-1
3 vendors · 108 products
