Expired Pointer Dereference Affecting kernel-64k-devel-matched package, versions *
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Test your applications- Snyk IDSNYK-CENTOS10-KERNEL64KDEVELMATCHED-20289065
- published30 Sept 2026
- disclosed24 Sept 2026
Introduced: 24 Sep 2026
NewCVE-2026-97474 (opens in a new tab)How to fix?
There is no fixed version for Centos:10 kernel-64k-devel-matched.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-64k-devel-matched package and not the kernel-64k-devel-matched package as distributed by Centos.
See How to fix? for Centos:10 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: mld: purge async notifications upon nic error
This fixes a kernel panic in reconfig failure:
- we have a BSS connection
- we have a NAN connection
- FW error occurs
- reconfig restores the BSS connection
- however, restoring the NAN connection fails due to a FW error.
- erroneously, ieee80211_handle_reconfig_failure is called and marks all interfaces as not-in-driver (will be fixed in a different patch).
- mac80211 frees the links of the BSS connection but doesn't tell the driver about that, as it thinks that this vif is not in the driver.
- in ieee80211_stop_device, ALL wiphy works are getting flushed (erroneously?)
- Therefore, async_handlers_wk is being executed, processing the statistics notification that was received after we restored the BSS connection.
- the notification handler dereferences fw_id_to_bss_conf[id], which is now a dangling pointer, as mac80211 already freed this link in (7).
- On the first access to one of the links fields, we panic.
While this can and should be fixed by removing the call to ieee80211_handle_reconfig_failure in (6), it is also not a good idea to carry and maybe handle notifications from a dead FW.
We do purge the notifications when we stop the FW, but in reconfig failure we stop the FW too late, after the notifications are processed. In addition, async_handlers_wk can always be scheduled before the reconfig work.
Purge the notifications immediately when transport notifies about a nic error.