{"id":"DEBIAN-CVE-2022-50678","details":"In the Linux kernel, the following vulnerability has been resolved:  wifi: brcmfmac: fix invalid address access when enabling SCAN log level  The variable i is changed when setting random MAC address and causes invalid address access when printing the value of pi-\u003ereqs[i]-\u003ereqid.  We replace reqs index with ri to fix the issue.  [  136.726473] Unable to handle kernel access to user memory outside uaccess routines at virtual address 0000000000000000 [  136.737365] Mem abort info: [  136.740172]   ESR = 0x96000004 [  136.743359]   Exception class = DABT (current EL), IL = 32 bits [  136.749294]   SET = 0, FnV = 0 [  136.752481]   EA = 0, S1PTW = 0 [  136.755635] Data abort info: [  136.758514]   ISV = 0, ISS = 0x00000004 [  136.762487]   CM = 0, WnR = 0 [  136.765522] user pgtable: 4k pages, 48-bit VAs, pgdp = 000000005c4e2577 [  136.772265] [0000000000000000] pgd=0000000000000000 [  136.777160] Internal error: Oops: 96000004 [#1] PREEMPT SMP [  136.782732] Modules linked in: brcmfmac(O) brcmutil(O) cfg80211(O) compat(O) [  136.789788] Process wificond (pid: 3175, stack limit = 0x00000000053048fb) [  136.796664] CPU: 3 PID: 3175 Comm: wificond Tainted: G           O      4.19.42-00001-g531a5f5 #1 [  136.805532] Hardware name: Freescale i.MX8MQ EVK (DT) [  136.810584] pstate: 60400005 (nZCv daif +PAN -UAO) [  136.815429] pc : brcmf_pno_config_sched_scans+0x6cc/0xa80 [brcmfmac] [  136.821811] lr : brcmf_pno_config_sched_scans+0x67c/0xa80 [brcmfmac] [  136.828162] sp : ffff00000e9a3880 [  136.831475] x29: ffff00000e9a3890 x28: ffff800020543400 [  136.836786] x27: ffff8000b1008880 x26: ffff0000012bf6a0 [  136.842098] x25: ffff80002054345c x24: ffff800088d22400 [  136.847409] x23: ffff0000012bf638 x22: ffff0000012bf6d8 [  136.852721] x21: ffff8000aced8fc0 x20: ffff8000ac164400 [  136.858032] x19: ffff00000e9a3946 x18: 0000000000000000 [  136.863343] x17: 0000000000000000 x16: 0000000000000000 [  136.868655] x15: ffff0000093f3b37 x14: 0000000000000050 [  136.873966] x13: 0000000000003135 x12: 0000000000000000 [  136.879277] x11: 0000000000000000 x10: ffff000009a61888 [  136.884589] x9 : 000000000000000f x8 : 0000000000000008 [  136.889900] x7 : 303a32303d726464 x6 : ffff00000a1f957d [  136.895211] x5 : 0000000000000000 x4 : ffff00000e9a3942 [  136.900523] x3 : 0000000000000000 x2 : ffff0000012cead8 [  136.905834] x1 : ffff0000012bf6d8 x0 : 0000000000000000 [  136.911146] Call trace: [  136.913623]  brcmf_pno_config_sched_scans+0x6cc/0xa80 [brcmfmac] [  136.919658]  brcmf_pno_start_sched_scan+0xa4/0x118 [brcmfmac] [  136.925430]  brcmf_cfg80211_sched_scan_start+0x80/0xe0 [brcmfmac] [  136.931636]  nl80211_start_sched_scan+0x140/0x308 [cfg80211] [  136.937298]  genl_rcv_msg+0x358/0x3f4 [  136.940960]  netlink_rcv_skb+0xb4/0x118 [  136.944795]  genl_rcv+0x34/0x48 [  136.947935]  netlink_unicast+0x264/0x300 [  136.951856]  netlink_sendmsg+0x2e4/0x33c [  136.955781]  __sys_sendto+0x120/0x19c","modified":"2026-09-01T16:05:36.083183202Z","published":"2025-12-09T16:17:20.083Z","upstream":["CVE-2022-50678"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-50678"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50678.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50678.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50678.json"}}],"schema_version":"1.9.0"}