Use After Free in Linux Kernel
CVE-2022-1055
A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
Vulnerability class: Use-After-Free
EPSS: 0.005 (39.9th 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 Kernel — versions 5.16.0, 5.17.0, 5.11.0
- Linux Linux_kernel — versions 5.17
- Netapp H300e
- Netapp H300e_firmware
- Netapp H300s
- Netapp H300s_firmware
- Netapp H410c
- Netapp H410c_firmware
- Netapp H410s
- Netapp H410s_firmware
Weakness classification (CWE)
References
- cve-coordination@google.com (Patch, x_refsource_MISC, Vendor Advisory)
- cve-coordination@google.com (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- cve-coordination@google.com (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- cve-coordination@google.com (x_refsource_CONFIRM, Third Party Advisory)
- cve-coordination@google.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-1055?
- CVE-2022-1055 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2022-03-29.
- How severe is CVE-2022-1055?
- High severity. CVSS v3 base score is 7.8 out of 10.