# CVE-2022-48999: linux: In the Linux kernel, the following vulnerability has been resolved:  ipv4: Handle attempt to delete multipath route w...

CVE-2022-48999 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-48999, released October 21, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-48999
- Priority: High
- CVSS: 7.1 (high)
- EPSS: 0.0026
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 21, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference  Gwangun Jung reported a slab-out-of-bounds access in fib_nh_match:     fib_nh_match+0xf98/0x1130 linux-6.0-rc7/net/ipv4/fib_semantics.c:961     fib_table_delete+0x5f3/0xa40 linux-6.0-rc7/net/ipv4/fib_trie.c:1753     inet_rtm_delroute+0x2b3/0x380 linux-6.0-rc7/net/ipv4/fib_frontend.c:874  Separate nexthop objects are mutually exclusive with the legacy multipath spec. Fix fib_nh_match to return if the config for the to be deleted route contains a multipath spec while the fib_info is using a nexthop object.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.0.12-1 | [DEBIAN-CVE-2022-48999](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48999.md) | Oct 21, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.0.12-1 | [DEBIAN-CVE-2022-48999](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48999.md) | Oct 21, 2024 |
| Linux | linux Debian 14 | 6.0.12-1 | [DEBIAN-CVE-2022-48999](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48999.md) | Oct 21, 2024 |

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