CVE-2024-56726: linux NULL Pointer Dereference
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2024-56726DEBIAN-CVE-2024-56726
Published 29-12-2024Last modified 11-05-2026
Vulnerability summary
CVE-2024-56726 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.3% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.21%
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 30 · Related 31DLA-4076-1SUSE-SU-2025:0428-1SUSE-SU-2025:0499-1SUSE-SU-2025:0557-1SUSE-SU-2025:0564-1SUSE-SU-2025:20165-1SUSE-SU-2025:20166-1SUSE-SU-2025:20248-1SUSE-SU-2025:20249-1USN-7310-1USN-7387-1USN-7387-2USN-7387-3USN-7388-1USN-7389-1USN-7390-1USN-7407-1USN-7421-1USN-7449-1USN-7449-2USN-7450-1USN-7451-1USN-7452-1USN-7453-1USN-7458-1USN-7459-1USN-7459-2USN-7468-1USN-7523-1USN-7524-1USN-7276-1USN-7277-1
Timeline
- 29-12-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: handle otx2_mbox_get_rsp errors in cn10k.c Add error pointer check after calling otx2_mbox_get_rsp().
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
0.21%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
0.00 pp
From 0.21% on 21-09-2026
21-09-202621-10-2026
EPSS score0.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu122 products
- linux< 5.15.0-135.146 | < 6.8.0-58.60
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1080.87 | < 6.8.0-1027.29
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 2ca89a2c37527221edc549ffd3b65c6f8d9d4088, < a374e7e79fbdd7574bd89344447b0d4b91ba9801 | ≥ 2ca89a2c37527221edc549ffd3b65c6f8d9d4088, < 856ad633e11869729be698df2287ecfe6ec31f27 | ≥ 2ca89a2c37527221edc549ffd3b65c6f8d9d4088, < c5a6c5af434671aea739a5a41c849819144f02c9 | ≥ 2ca89a2c37527221edc549ffd3b65c6f8d9d4088, < 41f39f4c67253f802809310be6846ff408c3c758 | ≥ 2ca89a2c37527221edc549ffd3b65c6f8d9d4088, < 54abcec092616a4d01195355eb5d6036fb8fe363 | ≥ 2ca89a2c37527221edc549ffd3b65c6f8d9d4088, < ac9183023b6a9c09467516abd8aab04f9a2f9564 | 5.14
- linux_kernel≥ 5.14, < 5.15.174 | ≥ 5.16, < 6.1.120 | ≥ 6.2, < 6.6.64 | ≥ 6.7, < 6.11.11 | ≥ 6.12, < 6.12.2
Debian1 product
- linux< 6.1.123-1 | < 6.12.3-1
3 vendors · 125 products