Ubuntu.comUB:CVE-2021-47002CVE-2021-47002
In the Linux kernel, the following vulnerability has been resolved: SUNRPC:
Fix null pointer dereference in svc_rqst_free() When alloc_pages_node()
returns null in svc_rqst_alloc(), the null rq_scratch_page pointer will be
dereferenced when calling put_page() in svc_rqst_free(). Fix it by adding a
null check. Addresses-Coverity: (“Dereference after null check”)
| 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/b9f83ffaa0c096b4c832a43964fe6bff3acffe10 (5.13-rc1)
git.kernel.org/stable/c/1e10f58f1c9a6b667b045513c7a4e6111c24fe7c
git.kernel.org/stable/c/b9f83ffaa0c096b4c832a43964fe6bff3acffe10
git.kernel.org/stable/c/c664aaec9aee544538a78ba4893a44bc73a6d742
launchpad.net/bugs/cve/CVE-2021-47002
nvd.nist.gov/vuln/detail/CVE-2021-47002
security-tracker.debian.org/tracker/CVE-2021-47002
www.cve.org/CVERecord?id=CVE-2021-47002
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