Vulnerability · Published Apr 3, 2024 · Assigned by Linux
CVE-2024-26694wifi: iwlwifi: fix double-free bug
High 7.8
In plain English
A high-severity security flaw in Linux from Linux. 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 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.3%top 83.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: fix double-free bug The storage for the TLV PC register data wasn't done like all the other storage in the drv->fw area, which is cleared at the end of deallocation. Therefore, the freeing must also be done differently, explicitly NULL'ing it out after the free, since otherwise there's a nasty double-free bug here if a file fails to load after this has been parsed, and we get another free later (e.g. because no other file exists.) Fix that by adding the missing NULL assignment.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-core | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-debug | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-devel | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-doc | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-headers | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-modules | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-rt | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-kvm | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-kvm | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-tools | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | perf | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | python3-perf | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| Debian:13 | linux | 6.7.7-1 | DEBIAN-CVE-2024-26694 |
| Debian:14 | linux | 6.7.7-1 | DEBIAN-CVE-2024-26694 |
| Rocky Linux:8 | kernel | 0:4.18.0-553.5.1.el8_10 | RLSA-2024:3618 |
| Rocky Linux:8 | kernel-rt | 0:4.18.0-553.5.1.rt7.346.el8_10 | RLSA-2024:3627 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | 6.5.0-1023.23~22.04.1 | USN-6895-3 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | 6.5.0-1023.23~22.04.1 | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | 6.5.0-1024.25~22.04.1 | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | 6.5.0-1024.25~22.04.1 | USN-6895-2 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | 6.5.0-1024.26~22.04.1 | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | 6.5.0-1024.26~22.04.1 | USN-6895-2 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | 6.5.0-44.44~22.04.1 | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | 6.5.0-44.44~22.04.1 | USN-6900-1 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | 6.5.0-44.44.1~22.04.1 | USN-6895-3 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | 6.5.0-44.44.1~22.04.1 | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | 6.5.0-1023.24 | USN-6895-1 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | 6.5.0-1023.24 | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | 6.5.0-1027.28 | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | 6.5.0-1027.28 | USN-6895-4 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | 6.5.0-1026.26~22.04.1 | USN-6895-3 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | 6.5.0-1026.26~22.04.1 | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-26694 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | 6.5.0-1017.18~22.04.1 | USN-6895-3 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | 6.5.0-1017.18~22.04.1 | UBUNTU-CVE-2024-26694 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 5e31b3df86ec6fbb925eee77fe2c450099c61dff – before ab9d4bb9a1892439b3123fc52b19e32b9cdf80ad5e31b3df86ec6fbb925eee77fe2c450099c61dff – before d24eb9a27bea8fe5237fa71be274391d9d51eff25e31b3df86ec6fbb925eee77fe2c450099c61dff – before 353d321f63f7dbfc9ef58498cc732c9fe886a596 |
| Linux | Linux | 6.4 |