01 Record

CVE-2026-23438

net: mvpp2: guard flow control update with global_tx_fc in buffer switching

UnratedPUBLISHEDCNA: Linux

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

net: mvpp2: guard flow control update with global_tx_fc in buffer switching

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: 0.13% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 2.6% of scored records. A rank, not a probability.
NVD base score: 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-07-24.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-04-03 15:15Z5 MO AGO

Last updated

2026-07-14 12:47Z1 MO AGO

Reserved

2026-01-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

4a616f6af39d035ae5e219daeb0cdf4f539f19241d5b1245dde7466f95c8d930

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux3a616b92a9d17448d96a33bf58e69f01457fd43a to < 0cfcd31f98fc608dc9406bff3fee3a9dd364d014, 3a616b92a9d17448d96a33bf58e69f01457fd43a to < da089f74a993f846685067b14158cb41b879ff29, 3a616b92a9d17448d96a33bf58e69f01457fd43a to < ff0c54f088f7ab91dbbf47cf8244460f99122750, 3a616b92a9d17448d96a33bf58e69f01457fd43a to < 7bd20f4b3ef3044dc55acd5b8ef748a70d29d03f, 3a616b92a9d17448d96a33bf58e69f01457fd43a to < 7df2b50cae1a76cbb90b294f3edb61e3e10bf2e9, 3a616b92a9d17448d96a33bf58e69f01457fd43a to < 8baced53a35fc9710f80d6ca016a2c418dc3231f, 3a616b92a9d17448d96a33bf58e69f01457fd43a to < 8a63baadf08453f66eb582fdb6dd234f72024723, 5.12—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/0cfcd31f98fc608dc9406bff3fee3a9dd364d014
git.kernel.orghttps://git.kernel.org/stable/c/da089f74a993f846685067b14158cb41b879ff29
git.kernel.orghttps://git.kernel.org/stable/c/ff0c54f088f7ab91dbbf47cf8244460f99122750
git.kernel.orghttps://git.kernel.org/stable/c/7bd20f4b3ef3044dc55acd5b8ef748a70d29d03f
git.kernel.orghttps://git.kernel.org/stable/c/7df2b50cae1a76cbb90b294f3edb61e3e10bf2e9
git.kernel.orghttps://git.kernel.org/stable/c/8baced53a35fc9710f80d6ca016a2c418dc3231f
git.kernel.orghttps://git.kernel.org/stable/c/8a63baadf08453f66eb582fdb6dd234f72024723
cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-082556.html
cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html

01 Record index

CVE-2026-23438

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-23438

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References