Ubuntu.comUB:CVE-2021-47407CVE-2021-47407
In the Linux kernel, the following vulnerability has been resolved: KVM:
x86: Handle SRCU initialization failure during page track init Check the
return of init_srcu_struct(), which can fail due to OOM, when initializing
the page track mechanism. Lack of checking leads to a NULL pointer deref
found by a modified syzkaller. [Move the call towards the beginning of
kvm_arch_init_vm. - Paolo]
| 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/eb7511bf9182292ef1df1082d23039e856d1ddfb (5.15-rc4)
git.kernel.org/stable/c/4664318f73e496cd22c71b10888e75434a123e23
git.kernel.org/stable/c/deb2949417677649e2413266d7ce8c2ff73952b4
git.kernel.org/stable/c/eb7511bf9182292ef1df1082d23039e856d1ddfb
launchpad.net/bugs/cve/CVE-2021-47407
nvd.nist.gov/vuln/detail/CVE-2021-47407
security-tracker.debian.org/tracker/CVE-2021-47407
www.cve.org/CVERecord?id=CVE-2021-47407
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