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Vulnerability · Published Jun 19, 2024 · Assigned by Linux

CVE-2024-38587speakup: Fix sizeof() vs ARRAY_SIZE() 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 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.8%top 43.6% 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: speakup: Fix sizeof() vs ARRAY_SIZE() bug The "buf" pointer is an array of u16 values. This code should be using ARRAY_SIZE() (which is 256) instead of sizeof() (which is 512), otherwise it can the still got out of bounds.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.94-1DEBIAN-CVE-2024-38587
Debian:13linux6.8.12-1DEBIAN-CVE-2024-38587
Debian:14linux6.8.12-1DEBIAN-CVE-2024-38587
Ubuntu:22.04:LTSlinux5.15.0-121.131USN-7007-1
Ubuntu:22.04:LTSlinux5.15.0-121.131UBUNTU-CVE-2024-38587
Ubuntu:24.04:LTSlinux6.8.0-40.40UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-aws5.15.0-1069.75USN-7007-1
Ubuntu:22.04:LTSlinux-aws5.15.0-1069.75UBUNTU-CVE-2024-38587
Ubuntu:24.04:LTSlinux-aws6.8.0-1013.14UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1013.14~22.04.1UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-azure5.15.0-1072.81USN-7009-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1072.81UBUNTU-CVE-2024-38587
Ubuntu:24.04:LTSlinux-azure6.8.0-1012.14UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1012.14~22.04.1UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1072.81.1UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1072.81.1USN-7009-1
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-gcp5.15.0-1068.76USN-7007-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1068.76UBUNTU-CVE-2024-38587
Ubuntu:24.04:LTSlinux-gcp6.8.0-1012.13UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1012.13~22.04.1UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-gke5.15.0-1066.72UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-gke5.15.0-1066.72USN-7007-1
Ubuntu:24.04:LTSlinux-gke6.8.0-1008.11UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1052.59USN-7007-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1052.59UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-40.40~22.04.3UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-ibm5.15.0-1062.65USN-7007-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1062.65UBUNTU-CVE-2024-38587
Ubuntu:24.04:LTSlinux-ibm6.8.0-1010.10UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1064.70USN-7007-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1064.70UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-kvm5.15.0-1066.71USN-7007-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1066.71UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-121.131UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-121.131USN-7007-3
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-40.40.1UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-40.40.1~22.04.1UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1064.65USN-7007-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1064.65UBUNTU-CVE-2024-38587
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1011.11UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1011.11~22.04.1UBUNTU-CVE-2024-38587
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1011.11.1UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-38587
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1010.10UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-oracle5.15.0-1067.73USN-7007-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1067.73UBUNTU-CVE-2024-38587
Ubuntu:24.04:LTSlinux-oracle6.8.0-1010.10UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1010.10~22.04.1UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-raspi5.15.0-1062.65UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-raspi5.15.0-1062.65USN-7007-1
Ubuntu:24.04:LTSlinux-raspi6.8.0-1009.10UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-38587
Ubuntu:24.04:LTSlinux-riscv6.8.0-40.40.1UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-40.40.1~22.04.1UBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-38587
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-38587

Affected products (as reported)

VendorProductVersions
Linux Linux 756c5cb7c09e537b87b5d3acafcb101b2ccf394f – before 42f0a3f67158ed6b2908d2b9ffbf7e96d23fd3588f6b62125befe1675446923e4171eac2c012959c – before cd7f3978c2ec741aedd1d860b2adb227314cf9966401038acfa24cba9c28cce410b7505efadd0222 – before 07ef95cc7a579731198c93beed281e3a79a0e5860d130158db29f5e0b3893154908cf618896450a8 – before 504178fb7d9f6cdb0496d5491efb05f45597e53589af25bd4b4bf6a71295f07e07a8ae7dc03c6595 – before 3726f75a1ccc16cd335c0ccfad1d92ee08ecba5e8defb1d22ba0395b81feb963b96e252b097ba76f – before c6e1650cf5df1bd6638eeee231a683ef30c7d4eb0efb15c14c493263cb3a5f65f5ddfd4603d19a76 – before eb1ea64328d4cc7d7a912c563f8523d5259716efc8d2f34ea96ea3bce6ba2535f867f0d4ee3b22e1 – before d52c04474feac8e305814a5228e622afe481b2ef
Linux Linux 6.9

References