01 Record

CVE-2026-52910

bpf: Free reuseport cBPF prog after RCU grace period.

HighPUBLISHEDCNA: Linux

CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

View raw JSON

02 Description

bpf: Free reuseport cBPF prog after RCU grace period.

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: 0.10% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 1.2% of scored records. A rank, not a probability.
NVD base score: 7.8 (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:H/I:H/A:H
NVD analysis status: Analyzed. NVD last modified this record on 2026-07-15.
Red Hat severity: Moderate. 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

2026-06-19 14:43Z2 MO AGO

Last updated

2026-08-05 12:31Z1 MO AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-125Out-of-bounds ReadBase
CWE-364Signal Handler Race ConditionBase

Data version

5.2

Document digest

b2a6812d86a9f5cf8c76567d5f371730cafbc7461dc71695421b5aa713e0d68c

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux538950a1b7527a0a52ccd9337e3fcd304f027f13 to < 08264d5bba0bdd3a79bc2984fee09286aba0c4eb, 538950a1b7527a0a52ccd9337e3fcd304f027f13 to < fec41484e7c2aa7ded44c541bba98872be937754, 538950a1b7527a0a52ccd9337e3fcd304f027f13 to < c3e3fddda6b5d9ba505d218b4055e7d8a282ac57, 538950a1b7527a0a52ccd9337e3fcd304f027f13 to < f8b8f1d4bb76098e87b8269a0631019648330e6d, 538950a1b7527a0a52ccd9337e3fcd304f027f13 to < 298db6167f81e9c470a57cf652e4e47757b4293e, 538950a1b7527a0a52ccd9337e3fcd304f027f13 to < 87dfb977bdb6eaa47e9993a34e18f44970f88b1f, 538950a1b7527a0a52ccd9337e3fcd304f027f13 to < 90e47dc5c572d1c73971ac51c7428803f42b78eb, 538950a1b7527a0a52ccd9337e3fcd304f027f13 to < 18fc650ccd7fe3376eca89203668cfb8268f60df, 4.5—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/08264d5bba0bdd3a79bc2984fee09286aba0c4eb
git.kernel.orghttps://git.kernel.org/stable/c/fec41484e7c2aa7ded44c541bba98872be937754
git.kernel.orghttps://git.kernel.org/stable/c/c3e3fddda6b5d9ba505d218b4055e7d8a282ac57
git.kernel.orghttps://git.kernel.org/stable/c/f8b8f1d4bb76098e87b8269a0631019648330e6d
git.kernel.orghttps://git.kernel.org/stable/c/298db6167f81e9c470a57cf652e4e47757b4293e
git.kernel.orghttps://git.kernel.org/stable/c/87dfb977bdb6eaa47e9993a34e18f44970f88b1f
git.kernel.orghttps://git.kernel.org/stable/c/90e47dc5c572d1c73971ac51c7428803f42b78eb
git.kernel.orghttps://git.kernel.org/stable/c/18fc650ccd7fe3376eca89203668cfb8268f60df
access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-52910vdb-entryx_refsource_REDHAT
bugzilla.redhat.comRHBZ#2490779https://bugzilla.redhat.com/show_bug.cgi?id=2490779issue-trackingx_refsource_REDHAT
security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52910.jsonx_sadp-csaf-vex

01 Record index

CVE-2026-52910

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-52910

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References