vulnerability
Red Hat: CVE-2023-3812: kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | Jul 24, 2023 | Nov 22, 2023 | Jan 28, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Jul 24, 2023
Added
Nov 22, 2023
Modified
Jan 28, 2025
Description
An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Solution(s)
redhat-upgrade-kernelredhat-upgrade-kernel-rt
References
- NVD-CVE-2023-3812
- REDHAT-RHSA-2023:7370
- REDHAT-RHSA-2023:7379
- REDHAT-RHSA-2023:7382
- REDHAT-RHSA-2023:7389
- REDHAT-RHSA-2023:7411
- REDHAT-RHSA-2023:7418
- REDHAT-RHSA-2023:7548
- REDHAT-RHSA-2023:7549
- REDHAT-RHSA-2023:7554
- REDHAT-RHSA-2024:0340
- REDHAT-RHSA-2024:0378
- REDHAT-RHSA-2024:0412
- REDHAT-RHSA-2024:0461
- REDHAT-RHSA-2024:0554
- REDHAT-RHSA-2024:0575
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