🛡️ CVE-2023-0386 on Ubuntu — linux
Description
A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.
Distribution advisory
This page covers CVE-2023-0386 as tracked by Ubuntu, for the package linux. The fix is available in version 5.15.0-70.77; earlier versions remain affected.
How this vulnerability can be exploited
This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.
Affected software
UBUNTU-CVE-2023-0386 is recorded against 73 packages.
- linux (fixed in 5.15.0-70.77)
- linux-aws (fixed in 5.15.0-1034.38)
- linux-aws-5.0
- linux-aws-5.11
- linux-aws-5.13
- linux-aws-5.15 (fixed in 5.15.0-1034.38~20.04.1)
- linux-aws-5.3
- linux-aws-5.8
- linux-azure (fixed in 5.15.0-1036.43)
- linux-azure-5.11
- linux-azure-5.13
- linux-azure-5.15 (fixed in 5.15.0-1036.43~20.04.1)
- linux-azure-5.19
- linux-azure-5.3
- linux-azure-5.8
- linux-azure-edge
- linux-azure-fde (fixed in 5.15.0-1036.43.1)
- linux-azure-fde-5.15 (fixed in 5.15.0-1036.43~20.04.1.1)
- linux-azure-fde-5.19
- linux-bluefield (fixed in 5.15.0-1015.17)
- linux-gcp (fixed in 5.15.0-1032.40)
- linux-gcp-5.11
- linux-gcp-5.13
- linux-gcp-5.15 (fixed in 5.15.0-1032.40~20.04.1)
Show the remaining 49 packages
- linux-gcp-5.3
- linux-gcp-5.8
- linux-gke (fixed in 5.15.0-1031.36)
- linux-gke-4.15
- linux-gke-5.15 (fixed in 5.15.0-1031.36~20.04.1)
- linux-gke-5.4
- linux-gkeop (fixed in 5.15.0-1018.23)
- linux-gkeop-5.15 (fixed in 5.15.0-1018.23~20.04.1)
- linux-gkeop-5.4
- linux-hwe
- linux-hwe-5.11
- linux-hwe-5.13
- linux-hwe-5.15 (fixed in 5.15.0-70.77~20.04.1)
- linux-hwe-5.19 (fixed in 5.19.0-41.42~22.04.1)
- linux-hwe-5.8
- linux-hwe-edge
- linux-ibm (fixed in 5.15.0-1028.31)
- linux-intel-5.13
- linux-intel-iot-realtime (fixed in 5.15.0-1024.29)
- linux-intel-iotg (fixed in 5.15.0-1028.33)
- linux-intel-iotg-5.15 (fixed in 5.15.0-1030.35~20.04.1)
- linux-kvm (fixed in 5.15.0-1031.36)
- linux-lowlatency (fixed in 5.15.0-70.77)
- linux-lowlatency-hwe-5.15 (fixed in 5.15.0-70.77~20.04.1)
- linux-lowlatency-hwe-5.19
- linux-nvidia (fixed in 5.15.0-1023.23)
- linux-oem
- linux-oem-5.10
- linux-oem-5.13
- linux-oem-5.14
- linux-oem-5.17 (fixed in 5.17.0-1031.32)
- linux-oem-5.6
- linux-oem-6.0 (fixed in 6.0.0-1015.15)
- linux-oem-6.1 (fixed in 6.1.0-1008.8)
- linux-oracle (fixed in 5.15.0-1033.39)
- linux-oracle-5.0
- linux-oracle-5.11
- linux-oracle-5.13
- linux-oracle-5.15 (fixed in 5.15.0-1033.39~20.04.1)
- linux-oracle-5.3
- linux-oracle-5.8
- linux-raspi (fixed in 5.15.0-1027.29)
- linux-raspi-realtime
- linux-raspi2
- linux-realtime (fixed in 5.15.0-1036.39)
- linux-riscv
- linux-riscv-5.11
- linux-riscv-5.15 (fixed in 5.15.0-1031.35~20.04.1)
- linux-riscv-5.8
Timeline and source
Published on 22 March 2023 and last revised on 22 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
ubuntu.com (Report)
git.kernel.org (Report)
git.kernel.org (Report)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
www.cve.org (Report)
www.cisa.gov (Report)
CVE-2023-0386 on other distributions
Each distribution ships its own build and its own fixed version. Pick the one you run:
Details
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| linux | — | 5.15.0-70.77 |
| linux-aws | — | 5.15.0-1034.38 |
| linux-aws-5.0 | — | — |
| linux-aws-5.11 | — | — |
| linux-aws-5.13 | — | — |
| linux-aws-5.15 | — | 5.15.0-1034.38~20.04.1 |
| linux-aws-5.3 | — | — |
| linux-aws-5.8 | — | — |
| linux-azure | — | 5.15.0-1036.43 |
| linux-azure-5.11 | — | — |
| linux-azure-5.13 | — | — |
| linux-azure-5.15 | — | 5.15.0-1036.43~20.04.1 |
| linux-azure-5.19 | — | — |
| linux-azure-5.3 | — | — |
| linux-azure-5.8 | — | — |
| linux-azure-edge | — | — |
| linux-azure-fde | — | 5.15.0-1036.43.1 |
| linux-azure-fde-5.15 | — | 5.15.0-1036.43~20.04.1.1 |
| linux-azure-fde-5.19 | — | — |
| linux-bluefield | — | 5.15.0-1015.17 |
| linux-gcp | — | 5.15.0-1032.40 |
| linux-gcp-5.11 | — | — |
| linux-gcp-5.13 | — | — |
| linux-gcp-5.15 | — | 5.15.0-1032.40~20.04.1 |
| linux-gcp-5.3 | — | — |
| linux-gcp-5.8 | — | — |
| linux-gke | — | 5.15.0-1031.36 |
| linux-gke-4.15 | — | — |
| linux-gke-5.15 | — | 5.15.0-1031.36~20.04.1 |
| linux-gke-5.4 | — | — |
| linux-gkeop | — | 5.15.0-1018.23 |
| linux-gkeop-5.15 | — | 5.15.0-1018.23~20.04.1 |
| linux-gkeop-5.4 | — | — |
| linux-hwe | — | — |
| linux-hwe-5.11 | — | — |
| linux-hwe-5.13 | — | — |
| linux-hwe-5.15 | — | 5.15.0-70.77~20.04.1 |
| linux-hwe-5.19 | — | 5.19.0-41.42~22.04.1 |
| linux-hwe-5.8 | — | — |
| linux-hwe-edge | — | — |
| linux-ibm | — | 5.15.0-1028.31 |
| linux-intel-5.13 | — | — |
| linux-intel-iot-realtime | — | 5.15.0-1024.29 |
| linux-intel-iotg | — | 5.15.0-1028.33 |
| linux-intel-iotg-5.15 | — | 5.15.0-1030.35~20.04.1 |
| linux-kvm | — | 5.15.0-1031.36 |
| linux-lowlatency | — | 5.15.0-70.77 |
| linux-lowlatency-hwe-5.15 | — | 5.15.0-70.77~20.04.1 |
| linux-lowlatency-hwe-5.19 | — | — |
| linux-nvidia | — | 5.15.0-1023.23 |
| linux-oem | — | — |
| linux-oem-5.10 | — | — |
| linux-oem-5.13 | — | — |
| linux-oem-5.14 | — | — |
| linux-oem-5.17 | — | 5.17.0-1031.32 |
| linux-oem-5.6 | — | — |
| linux-oem-6.0 | — | 6.0.0-1015.15 |
| linux-oem-6.1 | — | 6.1.0-1008.8 |
| linux-oracle | — | 5.15.0-1033.39 |
| linux-oracle-5.0 | — | — |
| linux-oracle-5.11 | — | — |
| linux-oracle-5.13 | — | — |
| linux-oracle-5.15 | — | 5.15.0-1033.39~20.04.1 |
| linux-oracle-5.3 | — | — |
| linux-oracle-5.8 | — | — |
| linux-raspi | — | 5.15.0-1027.29 |
| linux-raspi-realtime | — | — |
| linux-raspi2 | — | — |
| linux-realtime | — | 5.15.0-1036.39 |
| linux-riscv | — | — |
| linux-riscv-5.11 | — | — |
| linux-riscv-5.15 | — | 5.15.0-1031.35~20.04.1 |
| linux-riscv-5.8 | — | — |
References
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More UBUNTU CVE 2023 advisories
Browse all of UBUNTU CVE 2023 in the advisory index.
- UBUNTU-CVE-2023-0286
- UBUNTU-CVE-2023-0288
- UBUNTU-CVE-2023-0302
- UBUNTU-CVE-2023-0319
- UBUNTU-CVE-2023-0330
- UBUNTU-CVE-2023-0341
- UBUNTU-CVE-2023-0358
- UBUNTU-CVE-2023-0361
- UBUNTU-CVE-2023-0394
- UBUNTU-CVE-2023-0401
- UBUNTU-CVE-2023-0411
- UBUNTU-CVE-2023-0412
- UBUNTU-CVE-2023-0413
- UBUNTU-CVE-2023-0414
- UBUNTU-CVE-2023-0415
- UBUNTU-CVE-2023-0416
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