CVE-2026-72399: linux
Vulnerability summary
CVE-2026-72399 is a critical (CVSS 9.8) vulnerability in linux. EPSS estimates a 0.68% chance of exploitation in the next 30 days, higher than 51.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 17 · Related 17Timeline
- 15-08-2026PublishedVulnerability first disclosed.
- 17-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: net: enetc: check the number of BDs needed for xdp_frame The size of xdp_redirect_arr array is ENETC_MAX_SKB_FRAGS. However, the number of fragments contained in xdp_frame may be greater than or equal to ENETC_MAX_SKB_FRAGS, which will cause the access to xdp_redirect_arr to be out of bounds.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.68%
Chance of exploitation in the next 30 days
Percentile
52%
Versus all other CVEs
30-day change
+0.01 pp
From 0.67% on 19-09-2026
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
Ubuntu157 products
- linuxAll versions (No fix recorded) | < 6.8.0-147.147 | < 7.0.0-34.34
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 6.8.0-1067.70 | < 7.0.0-1013.13
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.1.180-1 | < 6.12.100-1 | < 7.1.5-1
Linux1 product
- linux≥ 9d2b68cc108db2fdb35022ed2d88cfb305c441a6, < 1ecb199b0e6d12ab6c26c0b7edf1a8f4472d9aed | ≥ 9d2b68cc108db2fdb35022ed2d88cfb305c441a6, < f55276160ffad3e235b657ee4b7304eb99b90e5c | ≥ 9d2b68cc108db2fdb35022ed2d88cfb305c441a6, < cfbc6e9b84dcc0aa2d65c84ea4745af327763209 | ≥ 9d2b68cc108db2fdb35022ed2d88cfb305c441a6, < 1681cc7974a6123f5d5740b03bc11e4784bd2542 | ≥ 9d2b68cc108db2fdb35022ed2d88cfb305c441a6, < d22829101ab675607ad6c3d420fb3ab875f46bbb | ≥ 9d2b68cc108db2fdb35022ed2d88cfb305c441a6, < 555c5475e787802eeae0d2b91c2f66c330db2767 | 5.13
3 vendors · 159 products