Vulnerability · Published Oct 13, 2023 · Assigned by redhat
CVE-2023-42752Kernel: integer overflow in igmpv3_newpack leading to exploitable memory access
Medium 5.5
In plain English
A medium-severity integer overflow in Fedora from Fedora. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 81.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An integer overflow flaw was found in the Linux kernel. This issue leads to the kernel allocating `skb_shared_info` in the userspace, which is exploitable in systems without SMAP protection since `skb_shared_info` contains references to function pointers.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.55-1 | DEBIAN-CVE-2023-42752 |
| Debian:13 | linux | 6.5.3-1 | DEBIAN-CVE-2023-42752 |
| Debian:14 | linux | 6.5.3-1 | DEBIAN-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux | 5.15.0-87.97 | USN-6446-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-87.97 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1048.53 | USN-6446-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1048.53 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | 6.2.0-1014.14~22.04.1 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | 6.2.0-1014.14~22.04.1 | USN-6444-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1050.57 | USN-6446-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1050.57 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | 6.2.0-1015.15~22.04.1 | USN-6444-1 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | 6.2.0-1015.15~22.04.1 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1050.57.1 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1050.57.1 | USN-6446-1 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | 6.2.0-1015.15~22.04.1.1 | USN-6444-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1045.53 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1045.53 | USN-6446-1 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | 6.2.0-1017.19~22.04.1 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | 6.2.0-1017.19~22.04.1 | USN-6444-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1045.50 | USN-6446-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1045.50 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1031.37 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1031.37 | USN-6446-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | 6.2.0-35.35~22.04.1 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | 6.2.0-35.35~22.04.1 | USN-6444-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1041.44 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1041.44 | USN-6446-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1043.49 | USN-6445-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1043.49 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1045.50 | USN-6446-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1045.50 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-87.96 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-87.96 | USN-6446-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | 6.2.0-1015.15~22.04.1 | USN-6444-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | 6.2.0-1015.15~22.04.1 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1039.39 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1039.39 | USN-6446-1 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | 6.2.0-1011.11 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | 6.2.0-1011.11 | USN-6466-1 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1019.19 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1006.6 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1024.24 | USN-6443-1 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1024.24 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | 6.5.0-1004.4 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1046.52 | USN-6446-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1046.52 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1041.44 | USN-6446-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1041.44 | UBUNTU-CVE-2023-42752 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | 6.2.0-1007.8~22.04.1 | UBUNTU-CVE-2023-42752 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | 6.2.0-1007.8~22.04.1 | USN-6444-2 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1025.29 | UBUNTU-CVE-2023-42752 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Kernel | see references |
| Red Hat | Red Hat Enterprise Linux 6 | see references |
| Red Hat | Red Hat Enterprise Linux 7 | see references |
| Red Hat | Red Hat Enterprise Linux 7 | see references |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 9 | see references |
| Red Hat | Red Hat Enterprise Linux 9 | see references |
| Fedora | Fedora | see references |
Weakness: CWE-190 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
- https://access.redhat.com/security/cve/CVE-2023-42752 vdb-entry, x_refsource_REDHAT
- RHBZ#2239828 issue-tracking, x_refsource_REDHAT
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=915d975b2ffa
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c3b704d4a4a2