Red Hat Security AdvisoryRHSA-2026:28038
gvisor-tap-vsock security update
Released 2026-06-22 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux AppStream EUS (v.9.6) gvisor-tap-vsock-6:0.8.5-2.el9_6.2, gvisor-tap-vsock-gvforwarder-6:0.8.5-2.el9_6.2
Fixes 4 records
Priority MEDIUM 40
If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00632 · Published 2026-04-08 · Partial fix · 1.25.9, 1.26.2 CWE-770
Priority MEDIUM 40
During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00626 · Published 2026-04-08 · Partial fix · 1.25.9, 1.26.2 CWE-770
Priority MEDIUM 40
When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applie…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00661 · Published 2026-03-06 · Partial fix · 1.26.1 CWE-295
Priority LOW 30
On Linux, if the target of Root.Chmod is replaced with a symlink while the chmod operation is in progress, Chmod can operate on the target of the symlink, even when the target lies outside the root.
CVSS 3.1MEDIUM 6.4· Local · High privileges · No interaction · EPSS 0.00297 · Published 2026-04-08 · Partial fix · 1.25.9, 1.26.2 CWE-59