CVE-2021-47091 mac80211: fix locking in ieee80211_start_ap error path

In the Linux kernel, the following vulnerability has been resolved: mac80211: fix locking in ieee80211startap error path We need to hold the local-mtx to release the channel context, as even encoded by the lockdepassertheld there. Fix it...

CVE-2021-47091

CVE-2021-47091 affects the Linux kernel mac80211 component. Root cause: locking in ieee80211_start_ap error path where local channel context release wasn’t guaranteed to hold local->mtx, risking improper synchronization. The fix enforces holding local->mtx when releasing the channel context...

Linux kernel security vulnerabilities

The Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel that originates from a security issue with ieee80211startap in mac80211...

DEBIAN-CVE-2023-52530

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix potential key use-after-free When ieee80211keylink is called by ieee80211gtkrekeyadd but returns 0 due to KRACK protection identical key reinstall, ieee80211gtkrekeyadd will still return a pointer into the key...

CVE-2023-52530

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix potential key use-after-free When ieee80211keylink is called by ieee80211gtkrekeyadd but returns 0 due to KRACK protection identical key reinstall, ieee80211gtkrekeyadd will still return a pointer into the key...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix potential key use-after-free When ieee80211keylink is called by ieee80211gtkrekeyadd but returns 0 due to KRACK protection identical key reinstall, ieee80211gtkrekeyadd will still return a pointer into the key...

CVE-2023-52530 wifi: mac80211: fix potential key use-after-free

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix potential key use-after-free When ieee80211keylink is called by ieee80211gtkrekeyadd but returns 0 due to KRACK protection identical key reinstall, ieee80211gtkrekeyadd will still return a pointer into the key...

CVE-2023-52530

CVE-2023-52530 affects the Linux kernel’s wifi/mac80211 component. A use-after-free could occur when ieee80211_key_link() is called by ieee80211_gtk_rekey_add() and returns 0 due to KRACK protection (identical key reinstall); ieee80211_gtk_rekey_add() may still return a pointer into the key, crea...

CVE-2021-47065

In the Linux kernel, the following vulnerability has been resolved: rtw88: Fix array overrun in rtwgettxpowerparams Using a kernel with the Undefined Behaviour Sanity Checker UBSAN enabled, the following array overrun is logged:...

CVE-2021-47065

In the Linux kernel, the following vulnerability has been resolved: rtw88: Fix array overrun in rtwgettxpowerparams Using a kernel with the Undefined Behaviour Sanity Checker UBSAN enabled, the following array overrun is logged:...

CVE-2021-47065 rtw88: Fix array overrun in rtw_get_tx_power_params()

In the Linux kernel, the following vulnerability has been resolved: rtw88: Fix array overrun in rtwgettxpowerparams Using a kernel with the Undefined Behaviour Sanity Checker UBSAN enabled, the following array overrun is logged:...

CVE-2021-47028

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: fix txrate reporting Properly check rateinfo to fix unexpected reporting. 1215.161863 Call trace: 1215.164307 cfg80211calculatebitrate+0x124/0x200 cfg80211 1215.170139 ieee80211supdatemetric+0x80/0xc0 mac80211...

CVE-2021-47028 mt76: mt7915: fix txrate reporting

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: fix txrate reporting Properly check rateinfo to fix unexpected reporting. 1215.161863 Call trace: 1215.164307 cfg80211calculatebitrate+0x124/0x200 cfg80211 1215.170139 ieee80211supdatemetric+0x80/0xc0 mac80211...

PT-2024-21443 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the wifi mac80211 component in the Linux kernel, specifically with the fix RCU use in TDLS fast-xmit. The problem arises because the link is looked up under RCU...

Unbreakable Enterprise kernel-container security update

5.4.17-2136.326.6.el7 - Revert 'md/raid5: Wait for MDSBCHANGEPENDING in raid5d' Junxiao Bi Orabug: 35914789 - md: bypass block throttle for superblock update Junxiao Bi Orabug: 35914789 5.4.17-2136.326.5.el7 - Revert 'tracing: Increase trace array ref count on enable and filter files' Sherry Yang...

kernel: wifi: mac80211: fix invalid drv_sta_pre_rcu_remove calls for non-uploaded sta

A data corruption issues was observed due to an uninitialized driver private data structures in the Linux kernel's wifi mac80211 subsystem. This could allow a local attacker to crash the system or leak kernel internal information...

kernel: Revert "wifi: mac80211: fix memory leak in ieee80211_if_add()"

A flaw was found in the mac80211 module in the Linux kernel. When the device can not be registered due to an error, its memory is released twice, causing a NULL pointer to dereference, resulting in a system crash and a denial of service...

kernel: wifi: mac80211: fix memory leak in ieee80211_if_add()

No description is available for this CVE...

kernel: wifi: mac80211: fix invalid drv_sta_pre_rcu_remove calls for non-uploaded sta

A data corruption issues was observed due to an uninitialized driver private data structures in the Linux kernel's wifi mac80211 subsystem. This could allow a local attacker to crash the system or leak kernel internal information...

CLSA-2023-1693426883 kernel: Fix of 20 CVEs

netfilter: nftsetpipapo: fix improper element removal CVE-2023-4004 - net: tun: fix bugs for oversize packet when napi frags enabled CVE-2023-3812 - net/sched: clsfw: Fix improper refcount update leads to use-after-free CVE-2023-3776 - net/sched: schqfq: account for stab overhead in qfqenqueue...