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openwrt/package/kernel/mac80211/patches/rt2x00/608-rt2x00-allow_disabling_bands_through_dts.patch
Hauke Mehrtens 97bc59a5c0 mac80211: Update to backports-5.10.68
Refresh all patches.
The removed patches were integrated upstream.

This contains fixes for CVE-2020-3702

1. These patches (ath, ath9k, mac80211)  were included in kernel
versions since 4.14.245 and 4.19.205. They fix security vulnerability
CVE-2020-3702 [1] similar to KrØØk, which was found by ESET [2].

Thank you Josef Schlehofer for reporting this problem.

[1] https://nvd.nist.gov/vuln/detail/CVE-2020-3702
[2] https://www.welivesecurity.com/2020/08/06/beyond-kr00k-even-more-wifi-chips-vulnerable-eavesdropping/

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2021-09-22 22:24:00 +02:00

20 lines
766 B
Diff

--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
@@ -1013,6 +1013,16 @@ static int rt2x00lib_probe_hw_modes(stru
struct ieee80211_rate *rates;
unsigned int num_rates;
unsigned int i;
+#ifdef CONFIG_OF
+ struct device_node *np = rt2x00dev->dev->of_node;
+ unsigned int enabled;
+ if (!of_property_read_u32(np, "ralink,2ghz",
+ &enabled) && !enabled)
+ spec->supported_bands &= ~SUPPORT_BAND_2GHZ;
+ if (!of_property_read_u32(np, "ralink,5ghz",
+ &enabled) && !enabled)
+ spec->supported_bands &= ~SUPPORT_BAND_5GHZ;
+#endif /* CONFIG_OF */
if (rt2x00dev->dev->platform_data) {
struct rt2x00_platform_data *pdata;