Description
In the Linux kernel through 5.3.2, cfg80211_mgd_wext_giwessid in
net/wireless/wext-sme.c does not reject a long SSID IE, leading to a Buffer
Overflow.
Ubuntu-Description
Nicolas Waisman discovered that the WiFi driver stack in the Linux kernel
did not properly validate SSID lengths. A physically proximate attacker
could use this to cause a denial of service (system crash).
Notes
| sbeattie | 4ac2813cc867ae563a1ba5a9414bfb554e5796fa would be a good
secondary line of defense |
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(4.15.0-72.81)
|
| Ubuntu 20.04 LTS: | not-affected
(5.4.0-9.12)
|
| Ubuntu 16.04 ESM: | released
(4.4.0-170.199)
|
| Ubuntu 14.04 ESM: | ignored
(was needs-triage ESM criteria)
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(4.15.0-1056.58)
|
| Ubuntu 20.04 LTS: | not-affected
(5.4.0-1005.5)
|
| Ubuntu 16.04 ESM: | released
(4.4.0-1099.110)
|
| Ubuntu 14.04 ESM: | released
(4.4.0-1059.63)
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(5.0.0-1023.26~18.04.1)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | DNE
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 16.04 ESM: | released
(4.15.0-1056.58~16.04.1)
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(5.0.0-1028.30~18.04.1)
|
| Ubuntu 20.04 LTS: | not-affected
(5.4.0-1006.6)
|
| Ubuntu 16.04 ESM: | released
(4.15.0-1064.69)
|
| Ubuntu 14.04 ESM: | ignored
(was needs-triage ESM criteria)
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(5.3.0-1008.9~18.04.1)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | ignored
(was needed now end-of-life)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(5.0.0-1028.29~18.04.1)
|
| Ubuntu 20.04 LTS: | not-affected
(5.4.0-1005.5)
|
| Ubuntu 16.04 ESM: | released
(4.15.0-1050.53)
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(5.3.0-1009.10~18.04.1)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | ignored
(was needed now end-of-life)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(4.15.0-1049.52)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(5.0.0-1027.28~18.04.1)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | not-affected
(5.3.0-1011.12~18.04.1)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(5.3.0-26.28~18.04.1)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 16.04 ESM: | released
(4.15.0-72.81~16.04.1)
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | ignored
(was pending \[5.3.0-24.26~18.04.2\] now end-of-life)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 16.04 ESM: | ignored
(was pending \[4.15.0-71.80~16.04.1\] now end-of-life)
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(4.15.0-1051.51)
|
| Ubuntu 20.04 LTS: | not-affected
(5.4.0-1004.4)
|
| Ubuntu 16.04 ESM: | released
(4.4.0-1063.70)
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | DNE
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | DNE
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | released
(4.4.0-170.199~14.04.1)
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(4.15.0-1065.75)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | DNE
|
| Ubuntu 20.04 LTS: | not-affected
(5.4.0-1002.4)
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(5.0.0-1033.38)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(4.15.0-1030.33)
|
| Ubuntu 20.04 LTS: | not-affected
(5.4.0-1005.5)
|
| Ubuntu 16.04 ESM: | released
(4.15.0-1030.33~16.04.1)
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(5.0.0-1009.14~18.04.1)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | not-affected
(5.3.0-1011.12~18.04.1)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | not-affected
(5.3.0-1017.19~18.04.1)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Package
| Upstream: | released
(5.4~rc4)
|
| Ubuntu 18.04 LTS: | released
(4.15.0-1069.76)
|
| Ubuntu 20.04 LTS: | DNE
|
| Ubuntu 14.04 ESM: | DNE
|
Patches:
Updated: 2022-04-13 13:49:25 UTC (commit f411bd370d482ef4385c4e751d121a4055fbc009)