CVE-2024-26988: debian debian_linux Out-of-bounds Write
Vulnerability summary
CVE-2024-26988 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.2% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 28 · Related 22Timeline
- 01-05-2024PublishedVulnerability first disclosed.
- 15-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: init/main.c: Fix potential static_command_line memory overflow We allocate memory of size 'xlen + strlen(boot_command_line) + 1' for static_command_line, but the strings copied into static_command_line are extra_command_line and command_line, rather than extra_command_line and boot_command_line. When strlen(command_line) > strlen(boot_command_line), static_command_line will overflow. This patch just recovers strlen(command_line) which was miss-consolidated with strlen(boot_command_line) in the commit f5c7310ac73e ("init/main: add checks for the return value of memblock_alloc*()")
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
0.00 pp
From 0.28% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu118 products
- linuxAll versions (No fix recorded) | < 5.15.0-116.126 | < 6.8.0-38.38
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1065.71 | < 6.8.0-1011.12
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian2 products
- linux< 6.1.90-1 | < 6.8.9-1
- debian_linuxEOL10.0
Linux2 products
- linux≥ f5c7310ac73ea270e3a1acdb73d1b4817f11fd67, < 2ef607ea103616aec0289f1b65d103d499fa903a | ≥ f5c7310ac73ea270e3a1acdb73d1b4817f11fd67, < 0dc727a4e05400205358a22c3d01ccad2c8e1fe4 | ≥ f5c7310ac73ea270e3a1acdb73d1b4817f11fd67, < 76c2f4d426a5358fced5d5990744d46f10a4ccea | ≥ f5c7310ac73ea270e3a1acdb73d1b4817f11fd67, < 81cf85ae4f2dd5fa3e43021782aa72c4c85558e8 | ≥ f5c7310ac73ea270e3a1acdb73d1b4817f11fd67, < 936a02b5a9630c5beb0353c3085cc49d86c57034 | ≥ f5c7310ac73ea270e3a1acdb73d1b4817f11fd67, < 46dad3c1e57897ab9228332f03e1c14798d2d3b9 | 5.1
- linux_kernel≥ 5.1, < 5.10.216 | ≥ 5.11, < 5.15.157 | ≥ 5.16, < 6.1.88 | ≥ 6.2, < 6.6.29 | ≥ 6.7, < 6.8.8 | 6.9:rc1 | 6.9:rc2 | 6.9:rc3 | 6.9:rc4
Fedoraproject1 product
- fedoraEOL38 | 39 | 40
4 vendors · 123 products
References
29 links
lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlX TransferredMailing ListThird Party Advisory
