CVE-2024-58085Medium· 5.5▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: tomoyo: don't emit warning in tomoyo_write_control() syzbot is reporting too large allocation warning at tomoyo_write_control(), for one can write a very very long lin…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
tomoyo: don't emit warning in tomoyo_write_control()
syzbot is reporting too large allocation warning at tomoyo_write_control(), for one can write a very very long line without new line character. To fix this warning, I use __GFP_NOWARN rather than checking for KMALLOC_MAX_SIZE, for practically a valid line should be always shorter than 32KB where the "too small to fail" memory-allocation rule applies.
One might try to write a valid line that is longer than 32KB, but such request will likely fail with -ENOMEM. Therefore, I feel that separately returning -EINVAL when a line is longer than KMALLOC_MAX_SIZE is redundant. There is no need to distinguish over-32KB and over-KMALLOC_MAX_SIZE.
linux_kernel < 5.4.291linux_kernel >= 5.5, < 5.10.235linux_kernel >= 5.11, < 5.15.179linux_kernel >= 5.16, < 6.1.129linux_kernel >= 6.2, < 6.6.78linux_kernel >= 6.7, < 6.12.14linux_kernel >= 6.13, < 6.13.3Upgrade past the affected range:
linux_kernel 6.13.3Connected by shared product, vendor, weakness, or advisory.
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