CVE-2023-52594
In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: Fix potential array-index-out-of-bounds read in ath9k_htc_txstatus() Fix an array-index-out-of-bounds read in ath9k_htc_txstatus().
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: Fix potential array-index-out-of-bounds read in ath9k_htc_txstatus() Fix an array-index-out-of-bounds read in ath9k_htc_txstatus(). The bug occurs when txs->cnt, data from a URB provided by a USB device, is bigger than the size of the array txs->txstatus, which is HTC_MAX_TX_STATUS. WARN_ON() already checks it, but there is no bug handling code after the check. Make the function return if that is the case. Found by a modified version of syzkaller. UBSAN: array-index-out-of-bounds in htc_drv_txrx.c index 13 is out of range for type '__wmi_event_txstatus [12]' Call Trace: ath9k_htc_txstatus ath9k_wmi_event_tasklet tasklet_action_common __do_softirq irq_exit_rxu sysvec_apic_timer_interrupt
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.25% probability · 16th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-129
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/25c6f49ef59b7a9b80a3f7ab9e95268a1b01a234Patch
- https://git.kernel.org/stable/c/2adc886244dff60f948497b59affb6c6ebb3c348Patch
- https://git.kernel.org/stable/c/84770a996ad8d7f121ff2fb5a8d149aad52d64c1Patch
- https://git.kernel.org/stable/c/9003fa9a0198ce004b30738766c67eb7373479c9Patch
- https://git.kernel.org/stable/c/be609c7002dd4504b15b069cb7582f4c778548d1Patch
- https://git.kernel.org/stable/c/e4f4bac7d3b64eb75f70cd3345712de6f68a215dPatch
- https://git.kernel.org/stable/c/f11f0fd1ad6c11ae7856d4325fe9d05059767225Patch
- https://git.kernel.org/stable/c/f44f073c78112ff921a220d01b86d09f2ace59bcPatch
- https://git.kernel.org/stable/c/25c6f49ef59b7a9b80a3f7ab9e95268a1b01a234Patch
- https://git.kernel.org/stable/c/2adc886244dff60f948497b59affb6c6ebb3c348Patch
- https://git.kernel.org/stable/c/84770a996ad8d7f121ff2fb5a8d149aad52d64c1Patch
- https://git.kernel.org/stable/c/9003fa9a0198ce004b30738766c67eb7373479c9Patch
- https://git.kernel.org/stable/c/be609c7002dd4504b15b069cb7582f4c778548d1Patch
- https://git.kernel.org/stable/c/e4f4bac7d3b64eb75f70cd3345712de6f68a215dPatch
- https://git.kernel.org/stable/c/f11f0fd1ad6c11ae7856d4325fe9d05059767225Patch
- https://git.kernel.org/stable/c/f44f073c78112ff921a220d01b86d09f2ace59bcPatch
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlPatch
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlPatch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.