CVE-2023-54286

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 "stacmd.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 iwlagnsendstakey+0x375/0x390 [iwldvm] <snip> Hardware name: Dell Inc. Latitude E6430/0H3MT5, BIOS A21 05/08/2017 RIP: 0010:iwlagnsendstakey+0x375/0x390 [iwldvm] <snip> Call Trace: <TASK> iwlsetdynamickey+0x1f0/0x220 [iwldvm] iwlagnmacsetkey+0x1e4/0x280 [iwldvm] drvsetkey+0xa4/0x1b0 [mac80211] ieee80211keyenablehwaccel+0xa8/0x2d0 [mac80211] ieee80211key_replace+0x22d/0x8e0 [mac80211] <snip>

Database specific

{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54286.json"
}

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

5a3d9882b84edf5fa8e8ca33a5d6df25e2e727a5

Fixed

76b5ea43ad2fb4f726ddfaff839430a706e7d7c2

Fixed

3ed3c1c2fc3482b72e755820261779cd2e2c5a3e

Fixed

fa57021262e998e2229d6383b1081638df2fe238

Fixed

91ad1ab3cc7e981cb6d6ee100686baed64e1277e

Fixed

87940e4030e4705e1f3fd2bbb1854eae8308314b

Fixed

57189c885149825be8eb8c3524b5af017fdeb941

Fixed

6cd644f66b43709816561d63e0173cb0c7aab159

Fixed

ef16799640865f937719f0771c93be5dca18adc6

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-54286.json"

Linux / Kernel

Package

Name: Kernel

Affected ranges

Type: ECOSYSTEM
Events: Introduced

3.1.0

Fixed

4.14.316

Type: ECOSYSTEM
Events: Introduced

4.15.0

Fixed

4.19.284

Type: ECOSYSTEM
Events: Introduced

4.20.0

Fixed

5.4.244

Type: ECOSYSTEM
Events: Introduced

5.5.0

Fixed

5.10.181

Type: ECOSYSTEM
Events: Introduced

5.11.0

Fixed

5.15.113

Type: ECOSYSTEM
Events: Introduced

5.16.0

Fixed

6.1.30

Type: ECOSYSTEM
Events: Introduced

6.2.0

Fixed

6.3.4

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-54286.json"