CVE-2026-53077: linux
CVSS: 7.8v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-53077DEBIAN-CVE-2026-53077
Published 24-06-2026Last modified 05-08-2026
Vulnerability summary
CVE-2026-53077 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.7% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.12%
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 49 · Related 49OPENSUSE-SU-2026:21910-1SUSE-SU-2026:23477-1SUSE-SU-2026:23481-1SUSE-SU-2026:23528-1SUSE-SU-2026:23529-1SUSE-SU-2026:23881-1SUSE-SU-2026:23887-1SUSE-SU-2026:23897-1SUSE-SU-2026:23902-1SUSE-SU-2026:4120-1SUSE-SU-2026:4254-1SUSE-SU-2026:4282-1USN-8566-1USN-8567-1USN-8568-1USN-8569-1USN-8574-1USN-8574-2USN-8574-3USN-8575-1USN-8575-2USN-8575-3USN-8576-1USN-8576-2USN-8593-1USN-8595-1USN-8595-2USN-8595-3USN-8596-1USN-8603-1USN-8606-1USN-8607-1USN-8608-1USN-8609-1USN-8610-1USN-8618-1USN-8619-1USN-8620-1USN-8620-2USN-8620-3USN-8620-4USN-8663-1USN-8664-1USN-8665-1USN-8668-1USN-8668-2USN-8728-1USN-8728-2USN-8728-3
Timeline
- 24-06-2026PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: net/rds: Restrict use of RDS/IB to the initial network namespace Prevent using RDS/IB in network namespaces other than the initial one. The existing RDS/IB code will not work properly in non-initial network namespaces.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 6.8Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NSourcesSingle source
High 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- 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
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.12%
Chance of exploitation in the next 30 days
Percentile
2%
Versus all other CVEs
30-day change
0.00 pp
From 0.12% on 20-09-2026
20-09-202620-10-2026
EPSS score0.12%
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
Ubuntu166 products
- linuxAll versions (No fix recorded) | < 5.15.0-186.196 | < 6.8.0-136.136 | < 7.0.0-28.28
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1112.119 | < 6.8.0-1061.64 | < 7.0.0-1009.9
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638, < 3e7f14cd5a51533404e1ae4809caab46073fb5c7 | ≥ d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638, < 3174fc703d081d2ca538b22fba734e3ad5b52322 | ≥ d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638, < c244b79adffad89a5173cf8bfaa06a6b40bbd09b | ≥ d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638, < 07035306bf722f4676a1aee35cbeb3732c76194e | ≥ d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638, < fb407343c0c16e94584707b2dfdd350a5f81b000 | ≥ d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638, < a7494479757d60d2413bfaa087f8431a26eea032 | ≥ d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638, < b6a54f5e9ce9b97ae641855378d71c5154a085c0 | ≥ d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638, < ebf71dd4aff46e8e421d455db3e231ba43d2fa8a | 4.3
- linux_kernel≥ 4.3, < 5.10.258 | ≥ 5.11, < 5.15.209 | ≥ 5.16, < 6.1.175 | ≥ 6.2, < 6.6.141 | ≥ 6.7, < 6.12.91 | ≥ 6.13, < 6.18.33 | ≥ 6.19, < 7.0.10
Debian1 product
- linux< 6.1.176-1 | < 6.12.94-1 | < 7.0.10-1
3 vendors · 169 products
