SUSE-SU-2024:2011-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2024-0639: Fixed a denial-of-service vulnerability due to a deadlock found in sctpautoasconfinit in net/sctp/socket.c bsc1218917. - CVE-2024-26828: Fixed...

CVE-2024-36940

In the Linux kernel, the following vulnerability has been resolved: pinctrl: core: delete incorrect free in pinctrlenable The "pctldev" struct is allocated in devmpinctrlregisterandinit. It's a devm managed pointer that is freed by devmpinctrldevrelease, so freeing it in pinctrlenable will lead t...

CVE-2024-36962

In the Linux kernel, the following vulnerability has been resolved: net: ks8851: Queue RX packets in IRQ handler instead of disabling BHs Currently the driver uses localbhdisable/localbhenable in its IRQ handler to avoid triggering netrxaction softirq on exit from netifrx. The netrxaction could...

CVE-2024-36962

In the Linux kernel, the following vulnerability has been resolved: net: ks8851: Queue RX packets in IRQ handler instead of disabling BHs Currently the driver uses localbhdisable/localbhenable in its IRQ handler to avoid triggering netrxaction softirq on exit from netifrx. The netrxaction could...

CVE-2024-36962 net: ks8851: Queue RX packets in IRQ handler instead of disabling BHs

In the Linux kernel, the following vulnerability has been resolved: net: ks8851: Queue RX packets in IRQ handler instead of disabling BHs Currently the driver uses localbhdisable/localbhenable in its IRQ handler to avoid triggering netrxaction softirq on exit from netifrx. The netrxaction could...

CVE-2024-36962 net: ks8851: Queue RX packets in IRQ handler instead of disabling BHs

In the Linux kernel, the following vulnerability has been resolved: net: ks8851: Queue RX packets in IRQ handler instead of disabling BHs Currently the driver uses localbhdisable/localbhenable in its IRQ handler to avoid triggering netrxaction softirq on exit from netifrx. The netrxaction could...

DEBIAN-CVE-2024-36940

In the Linux kernel, the following vulnerability has been resolved: pinctrl: core: delete incorrect free in pinctrlenable The "pctldev" struct is allocated in devmpinctrlregisterandinit. It's a devm managed pointer that is freed by devmpinctrldevrelease, so freeing it in pinctrlenable will lead t...

CVE-2024-36940

In the Linux kernel, the following vulnerability has been resolved: pinctrl: core: delete incorrect free in pinctrlenable The "pctldev" struct is allocated in devmpinctrlregisterandinit. It's a devm managed pointer that is freed by devmpinctrldevrelease, so freeing it in pinctrlenable will lead t...

CVE-2024-36940 pinctrl: core: delete incorrect free in pinctrl_enable()

In the Linux kernel, the following vulnerability has been resolved: pinctrl: core: delete incorrect free in pinctrlenable The "pctldev" struct is allocated in devmpinctrlregisterandinit. It's a devm managed pointer that is freed by devmpinctrldevrelease, so freeing it in pinctrlenable will lead t...

SUSE CVE-2023-52836

In the Linux kernel, the following vulnerability has been resolved: locking/wwmutex/test: Fix potential workqueue corruption In some cases running with the test-wwmutex code, I was seeing odd behavior where sometimes it seemed flushworkqueue was returning before all the work threads were finished...

SUSE CVE-2023-52749

In the Linux kernel, the following vulnerability has been resolved: spi: Fix null dereference on suspend A race condition exists where a synchronous noqueue transfer can be active during a system suspend. This can cause a null pointer dereference exception to occur when the system resumes. Exampl...

SUSE CVE-2021-47408

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: serialize hash resizes and cleanups Syzbot was able to trigger the following warning 1 No repro found by syzbot yet but I was able to trigger similar issue by having 2 scripts running in parallel, changing...

SUSE CVE-2021-47449

In the Linux kernel, the following vulnerability has been resolved: ice: fix locking for Tx timestamp tracking flush Commit 4dd0d5c33c3e "ice: add lock around Tx timestamp tracker flush" added a lock around the Tx timestamp tracker flow which is used to cleanup any left over SKBs and prepare for...

CVE-2021-47225

A vulnerability was found in the Linux kernel's mac80211 module, where closing an active AP interface while its associated APVLAN interfaces are still up can lead to a deadlock. This situation occurs because the system tries to lock a resource that is already held, causing the operation to freeze...

SUSE CVE-2021-47225

In the Linux kernel, the following vulnerability has been resolved: mac80211: fix deadlock in AP/VLAN handling Syzbot reports that when you have APVLAN interfaces that are up and close the AP interface they belong to, we get a deadlock. No surprise - since we devclose them with the wiphy mutex...

SUSE CVE-2021-47280

In the Linux kernel, the following vulnerability has been resolved: drm: Fix use-after-free read in drmgetunique There is a time-of-check-to-time-of-use error in drmgetunique due to retrieving filepriv-master prior to locking the device's master mutex. An example can be seen in the crash report o...

PT-2024-27019

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a null pointer dereference in the Linux kernel when configuring 'power' and 'submit queues' concurrently, which can trigger a kernel panic. This occurs because de...

kernel: ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent

In the Linux kernel, the following vulnerability has been resolved: ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent Commit 0c80f9e165f8 "ACPI: PPTT: Leave the table mapped for the runtime usage" enabled to map PPTT once on the first invocation of acpigetpptt and never...

kernel: md/raid5-cache: fix a deadlock in r5l_exit_log()

A deadlock vulnerability was found in the md RAID5 cache r5l subsystem in the Linux kernel. In r5lexitlog, flushwork is called while holding reconfigmutex, which waits for disablewritebackwork to complete. However, r5cdisablewritebackasync calls waitevent which requires conf-log to be NULL, but...

CVE-2021-47449

In the Linux kernel, the following vulnerability has been resolved: ice: fix locking for Tx timestamp tracking flush Commit 4dd0d5c33c3e "ice: add lock around Tx timestamp tracker flush" added a lock around the Tx timestamp tracker flow which is used to cleanup any left over SKBs and prepare for...