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In the Linux kernel, the following vulnerability has been resolved:
mt76: mt7915: fix NULL pointer dereference in mt7915_get_phy_mode
Fix the following NULL pointer dereference in mt7915_get_phy_mode routine adding an ibss interface to the mt7915 driver.
[ 101.137097] wlan0: Trigger new scan to find an IBSS to join [ 102.827039] wlan0: Creating new IBSS network, BSSID 26:a4:50:1a:6e:69 [ 103.064756] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 103.073670] Mem abort info: [ 103.076520] ESR = 0x96000005 [ 103.079614] EC = 0x25: DABT (current EL), IL = 32 bits [ 103.084934] SET = 0, FnV = 0 [ 103.088042] EA = 0, S1PTW = 0 [ 103.091215] Data abort info: [ 103.094104] ISV = 0, ISS = 0x00000005 [ 103.098041] CM = 0, WnR = 0 [ 103.101044] user pgtable: 4k pages, 39-bit VAs, pgdp=00000000460b1000 [ 103.107565] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000 [ 103.116590] Internal error: Oops: 96000005 [#1] SMP [ 103.189066] CPU: 1 PID: 333 Comm: kworker/u4:3 Not tainted 5.10.75 #0 [ 103.195498] Hardware name: MediaTek MT7622 RFB1 board (DT) [ 103.201124] Workqueue: phy0 ieee80211_iface_work [mac80211] [ 103.206695] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) [ 103.212705] pc : mt7915_get_phy_mode+0x68/0x120 [mt7915e] [ 103.218103] lr : mt7915_mcu_add_bss_info+0x11c/0x760 [mt7915e] [ 103.223927] sp : ffffffc011cdb9e0 [ 103.227235] x29: ffffffc011cdb9e0 x28: ffffff8006563098 [ 103.232545] x27: ffffff8005f4da22 x26: ffffff800685ac40 [ 103.237855] x25: 0000000000000001 x24: 000000000000011f [ 103.243165] x23: ffffff8005f4e260 x22: ffffff8006567918 [ 103.248475] x21: ffffff8005f4df80 x20: ffffff800685ac58 [ 103.253785] x19: ffffff8006744400 x18: 0000000000000000 [ 103.259094] x17: 0000000000000000 x16: 0000000000000001 [ 103.264403] x15: 000899c3a2d9d2e4 x14: 000899bdc3c3a1c8 [ 103.269713] x13: 0000000000000000 x12: 0000000000000000 [ 103.275024] x11: ffffffc010e30c20 x10: 0000000000000000 [ 103.280333] x9 : 0000000000000050 x8 : ffffff8006567d88 [ 103.285642] x7 : ffffff8006563b5c x6 : ffffff8006563b44 [ 103.290952] x5 : 0000000000000002 x4 : 0000000000000001 [ 103.296262] x3 : 0000000000000001 x2 : 0000000000000001 [ 103.301572] x1 : 0000000000000000 x0 : 0000000000000011 [ 103.306882] Call trace: [ 103.309328] mt7915_get_phy_mode+0x68/0x120 [mt7915e] [ 103.314378] mt7915_bss_info_changed+0x198/0x200 [mt7915e] [ 103.319941] ieee80211_bss_info_change_notify+0x128/0x290 [mac80211] [ 103.326360] __ieee80211_sta_join_ibss+0x308/0x6c4 [mac80211] [ 103.332171] ieee80211_sta_create_ibss+0x8c/0x10c [mac80211] [ 103.337895] ieee80211_ibss_work+0x3dc/0x614 [mac80211] [ 103.343185] ieee80211_iface_work+0x388/0x3f0 [mac80211] [ 103.348495] process_one_work+0x288/0x690 [ 103.352499] worker_thread+0x70/0x464 [ 103.356157] kthread+0x144/0x150 [ 103.359380] ret_from_fork+0x10/0x18 [ 103.362952] Code: 394008c3 52800220 394000e4 7100007f (39400023)
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | May 24, 2024 |
| Suse | — | Upgrade reiserfs-kmp-64kbUpgrade dtb-marvellUpgrade dtb-appleUpgrade cluster-md-kmp-defaultUpgrade dlm-kmp-azureUpgrade dtb-hisiliconUpgrade kernel-rt_debug-vdsoUpgrade dtb-renesasUpgrade reiserfs-kmp-defaultUpgrade kernel-docsUpgrade kernel-rt-livepatch-develUpgrade dtb-amdUpgrade kernel-rt_debugUpgrade kernel-source-vanillaUpgrade kernel-debug-vdsoUpgrade dlm-kmp-rtUpgrade cluster-md-kmp-64kbUpgrade ocfs2-kmp-azureUpgrade kernel-azure-extraUpgrade dtb-socionextUpgrade dlm-kmp-defaultUpgrade dtb-sprdUpgrade kernel-default-livepatch-develUpgrade kernel-defaultUpgrade gfs2-kmp-defaultUpgrade kselftests-kmp-rtUpgrade kernel-64kb-develUpgrade reiserfs-kmp-rtUpgrade kernel-syms-rtUpgrade kernel-debugUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-debug-livepatch-develUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-docs-htmlUpgrade kernel-kvmsmall-vdsoUpgrade kernel-obs-buildUpgrade dtb-nvidiaUpgrade dtb-armUpgrade kernel-rt-extraUpgrade kernel-default-baseUpgrade kernel-azureUpgrade kernel-preempt-develUpgrade dtb-broadcomUpgrade kernel-debug-develUpgrade kselftests-kmp-defaultUpgrade kernel-64kb-optionalUpgrade kernel-azure-vdsoUpgrade kernel-64kb-extraUpgrade dtb-alteraUpgrade ocfs2-kmp-defaultUpgrade dtb-mediatekUpgrade kernel-sourceUpgrade dtb-amazonUpgrade dtb-lgUpgrade kernel-default-extraUpgrade kselftests-kmp-64kbUpgrade kernel-develUpgrade kernel-default-develUpgrade kernel-default-livepatchUpgrade kselftests-kmp-azureUpgrade kernel-preemptUpgrade kernel-rt-develUpgrade ocfs2-kmp-rtUpgrade kernel-default-vdsoUpgrade kernel-default-optionalUpgrade kernel-source-azureUpgrade dtb-rockchipUpgrade kernel-64kbUpgrade kernel-default-base-rebuildUpgrade kernel-azure-develUpgrade kernel-azure-livepatch-develUpgrade gfs2-kmp-64kbUpgrade kernel-rt-livepatchUpgrade kernel-devel-azureUpgrade kernel-azure-optionalUpgrade dlm-kmp-64kbUpgrade cluster-md-kmp-rtUpgrade cluster-md-kmp-azureUpgrade kernel-devel-rtUpgrade dtb-allwinnerUpgrade kernel-zfcpdumpUpgrade dtb-exynosUpgrade dtb-amlogicUpgrade gfs2-kmp-azureUpgrade kernel-64kb-livepatch-develUpgrade kernel-rt-optionalUpgrade dtb-qcomUpgrade dtb-apmUpgrade kernel-symsUpgrade kernel-syms-azureUpgrade kernel-kvmsmallUpgrade dtb-freescaleUpgrade dtb-caviumUpgrade kernel-rt-vdsoUpgrade reiserfs-kmp-azureUpgrade kernel-obs-qaUpgrade gfs2-kmp-rtUpgrade dtb-xilinxUpgrade kernel-source-rtUpgrade ocfs2-kmp-64kbUpgrade kernel-rtUpgrade kernel-rt_debug-develUpgrade kernel-macrosUpgrade kernel-kvmsmall-devel | Aug 9, 2024 | May 24, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | May 24, 2024 |
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