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Ubuntu.comUB:CVE-2021-47470HistoryMay 22, 2024 - 12:00 a.m.
CVE-2021-47470
2024-05-2200:00:00
ubuntu.com
ubuntu.com
linux
kernel
use-after-free
vulnerability
mm
slub
In the Linux kernel, the following vulnerability has been resolved: mm,
slub: fix potential use-after-free in slab_debugfs_fops When sysfs_slab_add
failed, we shouldn’t call debugfs_slab_add() for s because s will be freed
soon. And slab_debugfs_fops will use s later leading to a use-after-free.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 23.10 | noarch | linux | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 14.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 16.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-aws | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-aws | < any | UNKNOWN |
References
git.kernel.org/linus/67823a544414def2a36c212abadb55b23bcda00c (5.15-rc7)
git.kernel.org/stable/c/159d8cfbd0428d487c53be4722f33cdab0d25d83
git.kernel.org/stable/c/67823a544414def2a36c212abadb55b23bcda00c
launchpad.net/bugs/cve/CVE-2021-47470
nvd.nist.gov/vuln/detail/CVE-2021-47470
security-tracker.debian.org/tracker/CVE-2021-47470
www.cve.org/CVERecord?id=CVE-2021-47470
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