Double Free in Linux
CVE-2026-53009
In the Linux kernel, the following vulnerability has been resolved: ice: fix double-free of tx_buf skb If ice_tso() or ice_tx_csum() fail, the error path in ice_xmit_frame_ring() frees the skb, but the 'first' tx_buf still points to it a…
Vulnerability class: Double Free
EPSS: 0.001 (3.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions d76a60ba7afb89523c88cf2ed3a044ce4180289e, 4.17, 0
- Linux Linux_kernel
- Redhat Enterprise_linux — versions 7.0, 8.0, 9.0
Weakness classification (CWE)
References
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-53009?
- CVE-2026-53009 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2026-06-24.
- How severe is CVE-2026-53009?
- High severity. CVSS v3 base score is 7.8 out of 10.