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CVE PROGRAM SOURCE RECORD7.6 High

CVE-2023-54286

wifi: iwlwifi: dvm: Fix memcpy: detected field-spanning write backtrace

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: dvm: Fix memcpy: detected field-spanning write backtrace A received TKIP key may be up to 32 bytes because it may contain MIC rx/tx keys too. These are not used by iwl and copying these over overflows the iwl_keyinfo.key field. Add a check to not copy more data to iwl_keyinfo.key then will fit. This fixes backtraces like this one: memcpy: detected field-spanning write (size 32) of single field "sta_cmd.key.key" at drivers/net/wireless/intel/iwlwifi/dvm/sta.c:1103 (size 16) WARNING: CPU: 1 PID: 946 at drivers/net/wireless/intel/iwlwifi/dvm/sta.c:1103 iwlagn_send_sta_key+0x375/0x390 [iwldvm] <snip> Hardware name: Dell Inc. Latitude E6430/0H3MT5, BIOS A21 05/08/2017 RIP: 0010:iwlagn_send_sta_key+0x375/0x390 [iwldvm] <snip> Call Trace: <TASK> iwl_set_dynamic_key+0x1f0/0x220 [iwldvm] iwlagn_mac_set_key+0x1e4/0x280 [iwldvm] drv_set_key+0xa4/0x1b0 [mac80211] ieee80211_key_enable_hw_accel+0xa8/0x2d0 [mac80211] ieee80211_key_replace+0x22d/0x8e0 [mac80211] <snip>

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 5a3d9882b84edf5fa8e8ca33a5d6df25e2e727a5 to < 76b5ea43ad2fb4f726ddfaff839430a706e7d7c2affected
  • 5a3d9882b84edf5fa8e8ca33a5d6df25e2e727a5 to < 3ed3c1c2fc3482b72e755820261779cd2e2c5a3eaffected
  • 5a3d9882b84edf5fa8e8ca33a5d6df25e2e727a5 to < fa57021262e998e2229d6383b1081638df2fe238affected
  • 5a3d9882b84edf5fa8e8ca33a5d6df25e2e727a5 to < 91ad1ab3cc7e981cb6d6ee100686baed64e1277eaffected
  • 5a3d9882b84edf5fa8e8ca33a5d6df25e2e727a5 to < 87940e4030e4705e1f3fd2bbb1854eae8308314baffected
  • 5a3d9882b84edf5fa8e8ca33a5d6df25e2e727a5 to < 57189c885149825be8eb8c3524b5af017fdeb941affected
  • 5a3d9882b84edf5fa8e8ca33a5d6df25e2e727a5 to < 6cd644f66b43709816561d63e0173cb0c7aab159affected
  • 5a3d9882b84edf5fa8e8ca33a5d6df25e2e727a5 to < ef16799640865f937719f0771c93be5dca18adc6affected

Linux Linux

Default version status: affected

  • 3.1affected
  • 0 to < 3.1unaffected
  • 4.14.316 to ≤ 4.14.*unaffected
  • 4.19.284 to ≤ 4.19.*unaffected
  • 5.4.244 to ≤ 5.4.*unaffected
  • 5.10.181 to ≤ 5.10.*unaffected
  • 5.15.113 to ≤ 5.15.*unaffected
  • 6.1.30 to ≤ 6.1.*unaffected
  • 6.3.4 to ≤ 6.3.*unaffected
  • 6.4 to ≤ *unaffected

References