CVE-2021-47291
- Source
- https://cve.org/CVERecord?id=CVE-2021-47291
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47291.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-47291
- Downstream
- Related
- Published
- 2024-05-21T15:15:17.100Z
- Modified
- 2026-03-15T14:45:46.326609Z
- Severity
-
- 7.1 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
ipv6: fix another slab-out-of-bounds in fib6nhflush_exceptions
While running the self-tests on a KASAN enabled kernel, I observed a slab-out-of-bounds splat very similar to the one reported in commit 821bbf79fe46 ("ipv6: Fix KASAN: slab-out-of-bounds Read in fib6nhflush_exceptions").
We additionally need to take care of fib6_metrics initialization failure when the caller provides an nh.
The fix is similar, explicitly free the route instead of calling fib6inforelease on a half-initialized object.
- References
Affected packages
Git /
Database specific
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47291.json"
unresolved_ranges
[
{
"events": [
{
"introduced": "5.3"
},
{
"fixed": "5.4.136"
}
]
},
{
"events": [
{
"introduced": "5.5"
},
{
"fixed": "5.10.54"
}
]
},
{
"events": [
{
"introduced": "5.11"
},
{
"fixed": "5.13.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "5.14-rc1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "5.14-rc2"
}
]
}
]