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Ubuntu.comUB:CVE-2021-47298HistoryMay 21, 2024 - 12:00 a.m.
CVE-2021-47298
2024-05-2100:00:00
ubuntu.com
ubuntu.com
4
linux kernel
vulnerability
memory leak
error handling
code review
bpf
sockmap
unix
In the Linux kernel, the following vulnerability has been resolved: bpf,
sockmap: Fix potential memory leak on unlikely error case If skb_linearize
is needed and fails we could leak a msg on the error handling. To fix
ensure we kfree the msg block before returning error. Found during code
review.
| 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/7e6b27a69167f97c56b5437871d29e9722c3e470 (5.14-rc3)
git.kernel.org/stable/c/6c508a1c6c62793dc6e6872cad4b200097bab7c9
git.kernel.org/stable/c/715f378f42909c401ec043f5150c4fdf57fb8889
git.kernel.org/stable/c/7e6b27a69167f97c56b5437871d29e9722c3e470
launchpad.net/bugs/cve/CVE-2021-47298
nvd.nist.gov/vuln/detail/CVE-2021-47298
security-tracker.debian.org/tracker/CVE-2021-47298
www.cve.org/CVERecord?id=CVE-2021-47298
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