Unrated severityNVD Advisory· Published Jul 29, 2024· Updated Nov 3, 2025
ftruncate: pass a signed offset
CVE-2024-42084
Description
In the Linux kernel, the following vulnerability has been resolved:
ftruncate: pass a signed offset
The old ftruncate() syscall, using the 32-bit off_t misses a sign extension when called in compat mode on 64-bit architectures. As a result, passing a negative length accidentally succeeds in truncating to file size between 2GiB and 4GiB.
Changing the type of the compat syscall to the signed compat_off_t changes the behavior so it instead returns -EINVAL.
The native entry point, the truncate() syscall and the corresponding loff_t based variants are all correct already and do not suffer from this mistake.
Affected products
38- osv-coords37 versionspkg:rpm/almalinux/bpftoolpkg:rpm/almalinux/kernelpkg:rpm/almalinux/kernel-abi-stablelistspkg:rpm/almalinux/kernel-corepkg:rpm/almalinux/kernel-cross-headerspkg:rpm/almalinux/kernel-debugpkg:rpm/almalinux/kernel-debug-corepkg:rpm/almalinux/kernel-debug-develpkg:rpm/almalinux/kernel-debug-modulespkg:rpm/almalinux/kernel-debug-modules-extrapkg:rpm/almalinux/kernel-develpkg:rpm/almalinux/kernel-docpkg:rpm/almalinux/kernel-headerspkg:rpm/almalinux/kernel-modulespkg:rpm/almalinux/kernel-modules-extrapkg:rpm/almalinux/kernel-rtpkg:rpm/almalinux/kernel-rt-corepkg:rpm/almalinux/kernel-rt-debugpkg:rpm/almalinux/kernel-rt-debug-corepkg:rpm/almalinux/kernel-rt-debug-develpkg:rpm/almalinux/kernel-rt-debug-kvmpkg:rpm/almalinux/kernel-rt-debug-modulespkg:rpm/almalinux/kernel-rt-debug-modules-extrapkg:rpm/almalinux/kernel-rt-develpkg:rpm/almalinux/kernel-rt-kvmpkg:rpm/almalinux/kernel-rt-modulespkg:rpm/almalinux/kernel-rt-modules-extrapkg:rpm/almalinux/kernel-toolspkg:rpm/almalinux/kernel-tools-libspkg:rpm/almalinux/kernel-tools-libs-develpkg:rpm/almalinux/kernel-zfcpdumppkg:rpm/almalinux/kernel-zfcpdump-corepkg:rpm/almalinux/kernel-zfcpdump-develpkg:rpm/almalinux/kernel-zfcpdump-modulespkg:rpm/almalinux/kernel-zfcpdump-modules-extrapkg:rpm/almalinux/perfpkg:rpm/almalinux/python3-perf
< 4.18.0-553.22.1.el8_10+ 36 more
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
8- git.kernel.org/stable/c/4b8e88e563b5f666446d002ad0dc1e6e8e7102b0mitre
- git.kernel.org/stable/c/5ae6af68410bdad6181ec82104bb9985a7a6a0famitre
- git.kernel.org/stable/c/836359247b0403e0634bfbc83e5bb8063fad287amitre
- git.kernel.org/stable/c/84bf6b64a1a0dfc6de7e1b1c776d58d608e7865amitre
- git.kernel.org/stable/c/930a4c369f74da26816eaaa71b5888d29b759c27mitre
- git.kernel.org/stable/c/c329760749b5419769e57cb2be80955d2805f9c9mitre
- git.kernel.org/stable/c/dbb226d81cd02cee140139c2369791e6f61f2007mitre
- git.kernel.org/stable/c/f531d4bc6c5588d713359e42ed65e46816d841d8mitre
News mentions
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