- Vulnerability/
- CVE-2024-26818
CVE-2024-26818: tools/rtla: Fix clang warning about mount_point var size
First published: Wed Apr 17 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://git.kernel.org/stable/c/30369084ac6e27479a347899e74f523e6ca29b89
- https://git.kernel.org/stable/c/6bdd43f62ab3bb5a306af7f0ab857af45777f5a8
- https://git.kernel.org/stable/c/8a585914c266dc044f53b5c83c170f79b45fcf9a
- https://launchpad.net/bugs/cve/CVE-2024-26818
- https://git.kernel.org/linus/30369084ac6e27479a347899e74f523e6ca29b89
- https://security-tracker.debian.org/tracker/CVE-2024-26818
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26818
- https://nvd.nist.gov/vuln/detail/CVE-2024-26818
- https://ubuntu.com/security/CVE-2024-26818
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