01 Record

CVE-2026-90078

net/sched: act_skbmod: fix length calculations and avoid invalid header warnings

UnratedPUBLISHEDCNA: Linux

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

net/sched: act_skbmod: fix length calculations and avoid invalid header warnings

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.21% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 11.2% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Received. NVD last modified this record on 2026-10-19.
Red Hat severity: Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2026-09-17 16:05Z1 MO AGO

Last updated

2026-10-19 08:57Z10 DAYS AGO

Reserved

2026-09-11

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-191Integer Underflow (Wrap or Wraparound)Base

Data version

5.2

Document digest

f06950861d769a2efcf1f06dbf5be6011ff11855ab036acf839775a2ba7be40f

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux56af5e749f20c3a540310c207dcc373f4f09156e to < 985a37781ade19061400100c2ba0f43979dd4d63, 56af5e749f20c3a540310c207dcc373f4f09156e to < d896843d8d925f0adbba319020595cfb1a7bcd57, 56af5e749f20c3a540310c207dcc373f4f09156e to < 0675cff3c2924eb9b80d9dd250cf56a1140af157, 56af5e749f20c3a540310c207dcc373f4f09156e to < e8a2027b7e686784a69b2dfcee841d779919f313, 56af5e749f20c3a540310c207dcc373f4f09156e to < 1719865b20b22c88d2a55e922eff5ca31b0841f6, 56af5e749f20c3a540310c207dcc373f4f09156e to < 62126464f3a6159c0a3dd89e196ba65bfeb0afc6, 56af5e749f20c3a540310c207dcc373f4f09156e to < 81d0d1e64f30d9989c829c0953cd6e6c68d9c5fb, 5.15—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/985a37781ade19061400100c2ba0f43979dd4d63
git.kernel.orghttps://git.kernel.org/stable/c/d896843d8d925f0adbba319020595cfb1a7bcd57
git.kernel.orghttps://git.kernel.org/stable/c/0675cff3c2924eb9b80d9dd250cf56a1140af157
git.kernel.orghttps://git.kernel.org/stable/c/e8a2027b7e686784a69b2dfcee841d779919f313
git.kernel.orghttps://git.kernel.org/stable/c/1719865b20b22c88d2a55e922eff5ca31b0841f6
git.kernel.orghttps://git.kernel.org/stable/c/62126464f3a6159c0a3dd89e196ba65bfeb0afc6
git.kernel.orghttps://git.kernel.org/stable/c/81d0d1e64f30d9989c829c0953cd6e6c68d9c5fb

07 Fixed in

Debian 12

linux
Fixed in 6.1.190-1
linux-6.12
Fixed in 6.12.111-1~deb12u1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

linux
Fixed in 6.12.111-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

linux
Fixed in 7.2.6-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.