What is RHSA-2021:2730?

RHSA-2021:2730 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: kernel security and bug fix update

Which CVE IDs does RHSA-2021:2730 cover?

RHSA-2021:2730 covers the following CVE IDs: CVE-2021-3347, CVE-2021-33034, CVE-2021-33909. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2021:2730?

RHSA-2021:2730 has a CVSS v3 base score of 7.8, published by Red Hat Product Security.

RHSA-2021:2730HighCVSS 7.8

Red Hat Security Advisory: kernel security and bug fix update

Vendor

Red Hat Product Security

Published

July 20, 2021

Last Modified

June 25, 2026

🔗 CVE IDs covered (3)

CVE-2021-3347 →CVE-2021-33034 →CVE-2021-33909 →

📋 Description

CVE-2021-3347 — kernel: Use after free via PI futex state CVE-2021-33034 — kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan CVE-2021-33909 — kernel: size_t-to-int conversion vulnerability in the filesystem layer

🔗 References (7)

selfhttps://access.redhat.com/errata/RHSA-2021:2730
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://access.redhat.com/security/vulnerabilities/RHSB-2021-006
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=1922249
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=1961305
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=1970273
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2730.json