Vulnerability · Published Apr 17, 2024 · Assigned by Linux

CVE-2024-26818tools/rtla: Fix clang warning about mount_point var size

Medium 5.5

In plain English

A medium-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 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 86.7% 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: tools/rtla: Fix clang warning about mount_point var size clang is reporting this warning: $ make HOSTCC=clang CC=clang LLVM_IAS=1 [...] clang -O -g -DVERSION=\"6.8.0-rc3\" -flto=auto -fexceptions -fstack-protector-strong -fasynchronous-unwind-tables -fstack-clash-protection -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS $(pkg-config --cflags libtracefs) -c -o src/utils.o src/utils.c src/utils.c:548:66: warning: 'fscanf' may overflow; destination buffer in argument 3 has size 1024, but the corresponding specifier may require size 1025 [-Wfortify-source] 548 | while (fscanf(fp, "%*s %" STR(MAX_PATH) "s %99s %*s %*d %*d\n", mount_point, type) == 2) { | ^ Increase mount_point variable size to MAX_PATH+1 to avoid the overflow.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.7.7-1DEBIAN-CVE-2024-26818
Debian:14linux6.7.7-1DEBIAN-CVE-2024-26818
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-aws-6.56.5.0-1023.23~22.04.1UBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1024.25~22.04.1UBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-gcp-6.56.5.0-1024.26~22.04.1UBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-44.44~22.04.1UBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-44.44.1~22.04.1UBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1023.24UBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1027.28UBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-oracle-6.56.5.0-1026.26~22.04.1UBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-26818
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1017.18~22.04.1UBUNTU-CVE-2024-26818

Affected products (as reported)

VendorProductVersions
Linux Linux a957cbc02531a23beeac6dd9e751f8d4dadaf7a9 – before 8a585914c266dc044f53b5c83c170f79b45fcf9aa957cbc02531a23beeac6dd9e751f8d4dadaf7a9 – before 6bdd43f62ab3bb5a306af7f0ab857af45777f5a8a957cbc02531a23beeac6dd9e751f8d4dadaf7a9 – before 30369084ac6e27479a347899e74f523e6ca29b89
Linux Linux 6.5

References