CVE-2026-46230: linux Out-of-bounds Read
CVSS: 7.1v3.1HighModified
AliasesUBUNTU-CVE-2026-46230DEBIAN-CVE-2026-46230
Published 28-05-2026Last modified 19-10-2026
Vulnerability summary
CVE-2026-46230 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.8% of scored vulnerabilities.
CVSS score
7.1/10
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 55 · Related 51OPENSUSE-SU-2026:10954-1OPENSUSE-SU-2026:21555-1RHSA-2026:71602RHSA-2026:71700RHSA-2026:72467RHSA-2026:72468SUSE-SU-2026:23066-1SUSE-SU-2026:23068-1SUSE-SU-2026:23193-1SUSE-SU-2026:23194-1SUSE-SU-2026:23221-1SUSE-SU-2026:23231-1SUSE-SU-2026:23237-1SUSE-SU-2026:23241-1SUSE-SU-2026:23244-1SUSE-SU-2026:3130-1SUSE-SU-2026:3166-1USN-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-8597-1USN-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
- 28-05-2026PublishedVulnerability first disclosed.
- 19-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg Check bounds against the end of the BO whenever we access the msg.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- NVDNIST7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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 19-09-2026
19-09-202619-10-2026
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 causeAffected systems
Ubuntu154 products
- linux< 5.15.0-186.196 | < 6.8.0-136.136 | All versions (No fix recorded) | < 7.0.0-28.28
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1112.119 | < 6.8.0-1061.64 | All versions (No fix recorded) | < 7.0.0-1009.9
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 87cc7f9ebf7ce10f82250002d667ef3e93a79d44, < f55552adb100eb54a6e6dabff4fbdc8679bd3fa0 | ≥ 87cc7f9ebf7ce10f82250002d667ef3e93a79d44, < 82c535eff05490c71153af57de9fe85502fcb5d5 | ≥ 87cc7f9ebf7ce10f82250002d667ef3e93a79d44, < 638d3e0b9eb77aa53fdd60e2b928761d16ba76fa | ≥ 87cc7f9ebf7ce10f82250002d667ef3e93a79d44, < 870c8738c3774336baedddd0240951d078a703b8 | ≥ 87cc7f9ebf7ce10f82250002d667ef3e93a79d44, < 638e48ee39d0f2af9336f917a6f5d6692dd64d93 | ≥ 87cc7f9ebf7ce10f82250002d667ef3e93a79d44, < e382e0b81a3e7bd21504fee1d01ae8b08f84d3a7 | ≥ 87cc7f9ebf7ce10f82250002d667ef3e93a79d44, < b193019860d61e92da395eae2011f2f6716b182f | 5.13
- linux_kernel≥ 5.13, < 5.15.209 | ≥ 5.16, < 6.1.175 | ≥ 6.2, < 6.6.140 | ≥ 6.7, < 6.12.90 | ≥ 6.13, < 6.18.32 | ≥ 6.19, < 7.0.9
Debian1 product
- linux< 6.1.176-1 | < 6.12.90-1 | < 7.0.9-1
3 vendors · 157 products