CVE-2024-26977: linux
CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2024-26977DEBIAN-CVE-2024-26977
Published 01-05-2024Last modified 11-05-2026
Vulnerability summary
CVE-2024-26977 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.3% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.23%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 18 · Related 18Timeline
- 01-05-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: pci_iounmap(): Fix MMIO mapping leak The #ifdef ARCH_HAS_GENERIC_IOPORT_MAP accidentally also guards iounmap(), which means MMIO mappings are leaked. Move the guard so we call iounmap() for MMIO mappings.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- 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
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
0.00 pp
From 0.23% on 18-09-2026
18-09-202618-10-2026
EPSS score0.23%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu105 products
- linux< 5.15.0-116.126 | < 6.8.0-35.35
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1065.71 | < 6.8.0-1009.9
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 316e8d79a0959c302b0c462ab64b069599f10eef, < 5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6 | ≥ 316e8d79a0959c302b0c462ab64b069599f10eef, < 6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8 | ≥ 316e8d79a0959c302b0c462ab64b069599f10eef, < b5d40f02e7222da032c2042aebcf2a07de9b342f | ≥ 316e8d79a0959c302b0c462ab64b069599f10eef, < f3749345a9b7295dd071d0ed589634cb46364f77 | ≥ 316e8d79a0959c302b0c462ab64b069599f10eef, < af280e137e273935f2e09f4d73169998298792ed | ≥ 316e8d79a0959c302b0c462ab64b069599f10eef, < 7626913652cc786c238e2dd7d8740b17d41b2637 | 5.15
- linux_kernel≥ 5.15.1, < 5.15.154 | ≥ 5.16, < 6.1.84 | ≥ 6.2, < 6.6.24 | ≥ 6.7, < 6.7.12 | ≥ 6.8, < 6.8.3 | 5.15 | 5.15:rc2 | 5.15:rc3 | 5.15:rc4 | 5.15:rc5 | 5.15:rc6 | 5.15:rc7
Debian1 product
- linux< 6.1.85-1 | < 6.7.12-1
3 vendors · 108 products
