Vulnerability · Published Aug 14, 2023 · Assigned by mitre
CVE-2023-40283
High 7.8
In plain English
A high-severity use-after-free in the bpftool package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.5%top 53.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-core | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-debug | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-devel | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-doc | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-modules | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-tools | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | perf | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| AlmaLinux:8 | python3-perf | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
| Debian:12 | linux | 6.1.52-1 | DSA-5492-1 |
| Debian:12 | linux | 6.1.52-1 | DEBIAN-CVE-2023-40283 |
| Debian:13 | linux | 6.4.11-1 | DEBIAN-CVE-2023-40283 |
| Debian:14 | linux | 6.4.11-1 | DEBIAN-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux | 5.15.0-84.93 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux | 5.15.0-84.93 | USN-6386-1 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1045.50 | USN-6386-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1045.50 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | 6.2.0-1012.12~22.04.1 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | 6.2.0-1012.12~22.04.1 | USN-6383-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1047.54 | USN-6386-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1047.54 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | 6.2.0-1012.12~22.04.1 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | 6.2.0-1012.12~22.04.1 | USN-6383-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1047.54.1 | USN-6386-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1047.54.1 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | 6.2.0-1012.12~22.04.1.1 | USN-6383-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1042.50 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1042.50 | USN-6386-1 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | 6.2.0-1014.14~22.04.1 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | 6.2.0-1014.14~22.04.1 | USN-6383-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1042.47 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1042.47 | USN-6386-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1028.33 | USN-6386-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1028.33 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | 6.2.0-33.33~22.04.1 | USN-6383-1 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | 6.2.0-33.33~22.04.1 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1038.41 | USN-6386-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1038.41 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1040.46 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1040.46 | USN-6386-3 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1042.47 | USN-6386-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1042.47 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-84.93 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-84.93 | USN-6386-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | 6.2.0-1013.13~22.04.1 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | 6.2.0-1013.13~22.04.1 | USN-6383-1 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1033.33 | USN-6386-1 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1033.33 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | 6.2.0-1011.11 | USN-6466-1 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | 6.2.0-1011.11 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1018.18 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1005.5 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | 6.0.0-1021.21 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | 6.0.0-1021.21 | USN-6385-1 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1021.21 | USN-6343-1 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1021.21 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1044.50 | USN-6386-3 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1044.50 | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1038.41 | USN-6386-2 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1038.41 | UBUNTU-CVE-2023-40283 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-40283 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1025.29 | UBUNTU-CVE-2023-40283 |
Affected products (as reported)
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1728137b33c00d5a2b5110ed7aafb42e7c32e4a1
- https://github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb42e7c32e4a1
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.10
- DSA-5480 vendor-advisory
- DSA-5492 vendor-advisory
- http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html
- [debian-lts-announce] 20231019 [SECURITY] [DLA 3623-1] linux-5.10 security update mailing-list
- https://security.netapp.com/advisory/ntap-20231020-0007/
- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
- [debian-lts-announce] 20240111 [SECURITY] [DLA 3710-1] linux security update mailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-806742.html