CVE-2024-56755: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: netfs/fscache: Add a memory barrier for FSCACHEVOLUMECREATING In fscachecreatevolume, there is a missing memory barrier between the bit-clearing operation and the wake-up operation. This may cause a situation where, after a...

CVE-2024-56592 bpf: Call free_htab_elem() after htab_unlock_bucket()

In the Linux kernel, the following vulnerability has been resolved: bpf: Call freehtabelem after htabunlockbucket For htab of maps, when the map is removed from the htab, it may hold the last reference of the map. bpfmapfdputptr will invoke bpfmapfreeid to free the id of the removed map element...

blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race

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kernel: net: hns3: fix kernel crash problem in concurrent scenario

In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix kernel crash problem in concurrent scenario When link status change, the nic driver need to notify the roce driver to handle this event, but at this time, the roce driver may uninit, then cause kernel crash. To fix...

CVE-2024-50281

CVE-2024-50281 affects the Linux kernel’s key management component, specifically the trusted: dcp path. The vulnerability stems from sealing/unsealing a key blob where the AEAD cipher operation is submitted but not waited for, allowing a race that can lead to a NULL pointer dereference in the DCP...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel has a security vulnerability that stems from a lack of NOWAIT checks...

kernel: tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets

In the Linux kernel, the following vulnerability has been resolved: tcp: defer shutdownSENDSHUTDOWN for TCPSYNRECV sockets TCPSYNRECV state is really special, it is only used by cross-syn connections, mostly used by fuzzers. In the following crash 1, syzbot managed to trigger a divide by zero in...

kernel: can: isotp: isotp_sendmsg(): add result check for wait_event_interruptible()

In the Linux kernel, the following vulnerability has been resolved: can: isotp: isotpsendmsg: add result check for waiteventinterruptible Using waiteventinterruptible to wait for complete transmission, but do not check the result of waiteventinterruptible which can be interrupted. It will result ...

kernel: usb: dwc3: Wait unconditionally after issuing EndXfer command

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: Wait unconditionally after issuing EndXfer command Currently all controller IP/revisions except DWC3usb3 = 310a wait 1ms unconditionally for ENDXFER completion when IOC is not set. This is because DWCusb3 controller...

kernel: dm-raid456, md/raid456: fix a deadlock for dm-raid456 while io concurrent with reshape

In the Linux kernel, the following vulnerability has been resolved: dm-raid456, md/raid456: fix a deadlock for dm-raid456 while io concurrent with reshape For raid456, if reshape is still in progress, then IO across reshape position will wait for reshape to make progress. However, for dm-raid, in...

kernel: net: hns3: fix kernel crash problem in concurrent scenario

In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix kernel crash problem in concurrent scenario When link status change, the nic driver need to notify the roce driver to handle this event, but at this time, the roce driver may uninit, then cause kernel crash. To fix...

kernel: Reapply "drm/qxl: simplify qxl_fence_wait"

In the Linux kernel, the following vulnerability has been resolved: Reapply "drm/qxl: simplify qxlfencewait" This reverts commit 07ed11afb68d94eadd4ffc082b97c2331307c5ea. Stephen Rostedt reports: "I went to run my tests on my VMs and the tests hung on boot up. Unfortunately, the most I ever got o...

jbd2: stop waiting for space when jbd2_cleanup_journal_tail() returns error

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SUSE CVE-2024-50212

In the Linux kernel, the following vulnerability has been resolved: lib: alloctagmoduleunload must wait for pending kfreercu calls Ben Greear reports following splat: ------------ cut here ------------ net/netfilter/nfnatcore.c:1114 module nfnat func:nfnatregisterfn has 256 allocated at module...

SUSE CVE-2024-50249

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Make rmwlock a rawspinlock The following BUG was triggered: ============================= BUG: Invalid wait context 6.12.0-rc2-XXX 406 Not tainted ----------------------------- kworker/1:1/62 is trying to lock:...

UBUNTU-CVE-2024-50249

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Make rmwlock a rawspinlock The following BUG was triggered: ============================= BUG: Invalid wait context 6.12.0-rc2-XXX 406 Not tainted ----------------------------- kworker/1:1/62 is trying to lock:...

CVE-2024-50249 ACPI: CPPC: Make rmw_lock a raw_spin_lock

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Make rmwlock a rawspinlock The following BUG was triggered: ============================= BUG: Invalid wait context 6.12.0-rc2-XXX 406 Not tainted ----------------------------- kworker/1:1/62 is trying to lock:...

CVE-2024-50249

Mode C: Concrete details found. The CVE-2024-50249 issue in the Linux kernel arises from a lock-ordering problem in the CPPC/ACPI code: sugov_update_shared acquires a raw_spinlock while cpc_write holds a regular spinlock on cpc_ptr->rmw_lock, potentially causing a deadlock. The remediation is ...

SUSE CVE-2024-50183

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Ensure DAID handling completion before deleting an NPIV instance Deleting an NPIV instance requires all fabric ndlps to be released before an NPIV's resources can be torn down. Failure to release fabric ndlps beforeha...

CVE-2024-50249: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Make rmwlock a rawspinlock The following BUG was triggered: ============================= BUG: Invalid wait context 6.12.0-rc2-XXX 406 Not tainted ----------------------------- kworker/1:1/62 is trying to lock:...