Ubuntu.comUB:CVE-2021-47049CVE-2021-47049
In the Linux kernel, the following vulnerability has been resolved:
Drivers: hv: vmbus: Use after free in __vmbus_open() The “open_info”
variable is added to the &vmbus_connection.chn_msg_list, but the error
handling frees “open_info” without removing it from the list. This will
result in a use after free. First remove it from the list, and then free
it.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 20.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-bluefield | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-gcp | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux-gke | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-gkeop | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-ibm | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-iot | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-kvm | < any | UNKNOWN |
References
git.kernel.org/linus/3e9bf43f7f7a46f21ec071cb47be92d0874c48da (5.13-rc1)
git.kernel.org/stable/c/2728f289b3270b0e273292b46c534421a33bbfd5
git.kernel.org/stable/c/3e9bf43f7f7a46f21ec071cb47be92d0874c48da
git.kernel.org/stable/c/d5c7b42c9f56ca46b286daa537d181bd7f69214f
git.kernel.org/stable/c/f37dd5d1b5d38a79a4f7b8dd7bbb705505f05560
launchpad.net/bugs/cve/CVE-2021-47049
nvd.nist.gov/vuln/detail/CVE-2021-47049
security-tracker.debian.org/tracker/CVE-2021-47049
www.cve.org/CVERecord?id=CVE-2021-47049
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