CVE-2022-49727
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg
When len >= INT_MAX - transhdrlen, ulen = len + transhdrlen will be overflow. To fix, we can follow what udpv6 does and subtract the transhdrlen from the max.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | a32e0eec7042b21ccb52896cf715e3e2641fed93 < 2cf73c7cb6125083408d77f43d0e84d86aed0000 | affected |
| Linux | Linux | a32e0eec7042b21ccb52896cf715e3e2641fed93 < 0e818d433fc2718fe4da044ffca7431812a7e04e | affected |
| Linux | Linux | a32e0eec7042b21ccb52896cf715e3e2641fed93 < 6c4e3486d21173d60925ef52e512cae727b43d30 | affected |
| Linux | Linux | a32e0eec7042b21ccb52896cf715e3e2641fed93 < 2f42389d270f2304c8855b0b63498a5a4d0c053d | affected |
| Linux | Linux | a32e0eec7042b21ccb52896cf715e3e2641fed93 < b8879ca1fd7348b4d5db7db86dcb97f60c73d751 | affected |
| Linux | Linux | a32e0eec7042b21ccb52896cf715e3e2641fed93 < 27a37755ceb401111ded76810359d3adc4b268a1 | affected |
| Linux | Linux | a32e0eec7042b21ccb52896cf715e3e2641fed93 < 034246122f5c5e2e2a0b9fe04e24517920e9beb1 | affected |
| Linux | Linux | a32e0eec7042b21ccb52896cf715e3e2641fed93 < f638a84afef3dfe10554c51820c16e39a278c915 | affected |
| Linux | Linux | 3.5 | affected |
| Linux | Linux | 0 < 3.5 | unaffected |
| Linux | Linux | 4.9.320 <= 4.9.* | unaffected |
| Linux | Linux | 4.14.285 <= 4.14.* | unaffected |
| Linux | Linux | 4.19.249 <= 4.19.* | unaffected |
| Linux | Linux | 5.4.200 <= 5.4.* | unaffected |
| Linux | Linux | 5.10.124 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.49 <= 5.15.* | unaffected |
| Linux | Linux | 5.18.6 <= 5.18.* | unaffected |
| Linux | Linux | 5.19 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://git.kernel.org/stable/c/2cf73c7cb6125083408d77f43d0e84d86aed0000
- https://git.kernel.org/stable/c/0e818d433fc2718fe4da044ffca7431812a7e04e
- https://git.kernel.org/stable/c/6c4e3486d21173d60925ef52e512cae727b43d30
- https://git.kernel.org/stable/c/2f42389d270f2304c8855b0b63498a5a4d0c053d
- https://git.kernel.org/stable/c/b8879ca1fd7348b4d5db7db86dcb97f60c73d751
- https://git.kernel.org/stable/c/27a37755ceb401111ded76810359d3adc4b268a1
- https://git.kernel.org/stable/c/034246122f5c5e2e2a0b9fe04e24517920e9beb1
- https://git.kernel.org/stable/c/f638a84afef3dfe10554c51820c16e39a278c915
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