CVE-2024-26818

MEDIUM

Linux Kernel - Buffer Overflow in tools/rtla

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.5
EPSS 0.0022
EPSS Percentile 13.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (12)
linux/Kernel 6.5.0 - 6.6.18linux
linux/Kernel 6.7.0 - 6.7.6linux
Linux/Linux < 6.5
Linux/Linux 6.5
Linux/Linux 6.6.18 - 6.6.*
Linux/Linux 6.7.6 - 6.7.*
Linux/Linux 6.8
Linux/Linux a957cbc02531a23beeac6dd9e751f8d4dadaf7a9 - 30369084ac6e27479a347899e74f523e6ca29b89
Linux/Linux a957cbc02531a23beeac6dd9e751f8d4dadaf7a9 - 6bdd43f62ab3bb5a306af7f0ab857af45777f5a8
Linux/Linux a957cbc02531a23beeac6dd9e751f8d4dadaf7a9 - 8a585914c266dc044f53b5c83c170f79b45fcf9a
... and 2 more
Published Apr 17, 2024
Tracked Since Feb 18, 2026