UBUNTU-CVE-2023-53458

In the Linux kernel, the following vulnerability has been resolved: media: cx23885: Fix a null-ptr-deref bug in bufferprepare and bufferfinish When the driver calls cx23885riscbuffer to prepare the buffer, the function call dmaalloccoherent may fail, resulting in a empty buffer risc-cpu. Later wh...

UBUNTU-CVE-2023-53490

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix disconnect vs accept race Despite commit 0ad529d9fd2b "mptcp: fix possible divide by zero in recvmsg", the mptcp protocol is still prone to a race between disconnect or shutdown and accept. The root cause is that the...

UBUNTU-CVE-2022-50441

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Lag, fix failure to cancel delayed bond work Commit 0d4e8ed139d8 "net/mlx5: Lag, avoid lockdep warnings" accidentally removed a call to cancel delayed bond work thus it may cause queued delay to expire and fall on an...

UBUNTU-CVE-2022-50459

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsi: iscsitcp: Fix null-ptr-deref while calling getpeername Fix a NULL pointer crash that occurs when we are freeing the socket at the same time we access it via sysfs. The problem is that: 1. iscsiswtcpconngetparam and...

UBUNTU-CVE-2023-53480

In the Linux kernel, the following vulnerability has been resolved: kobject: Add sanity check for kset-kobj.ktype in ksetregister When I register a kset in the following way: static struct kset mykset; kobjectsetname&mykset.kobj, "mykset"; ret = ksetregister&mykset; A null pointer dereference...

UBUNTU-CVE-2022-50447

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: Fix crash on hcicreatecissync When attempting to connect multiple ISO sockets without using DEFERSETUP may result in the following crash: BUG: KASAN: null-ptr-deref in hcicreatecissync+0x18b/0x2b0 Read of size...

UBUNTU-CVE-2023-53472

In the Linux kernel, the following vulnerability has been resolved: pwm: lpc32xx: Remove handling of PWM channels Because LPC32xx PWM controllers have only a single output which is registered as the only PWM device/channel per controller, it is known in advance that pwm-hwpwm value is always 0. O...

UBUNTU-CVE-2023-53483

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Check for null return of devmkzalloc in fchmiscsetup devmkzalloc may fail, clkdata-name might be NULL and will cause a NULL pointer dereference later. rjw: Subject and changelog edits...

CVE-2023-53523

Technical details for CVE-2023-53523 are not publicly provided in the connected documents; no specific affected products, versions, risks, or fixes are listed beyond the initial description. Monitor for updates.

CVE-2023-53523 can: gs_usb: fix time stamp counter initialization

In the Linux kernel, the following vulnerability has been resolved: can: gsusb: fix time stamp counter initialization If the gsusb device driver is unloaded or unbound before the interface is shut down, the USB stack first calls the struct usbdriver::disconnect and then the struct...

CVE-2023-53490

Mode C: CVE-2023-53490 affects the Linux kernel’s MPTCP implementation, describing a race between disconnect/shutdown and accept that could lead to a kernel NULL pointer dereference. The root cause is that mptcp_stream_accept() did not take the msock lock consistently with the msk-level flag chec...

CVE-2023-53490 mptcp: fix disconnect vs accept race

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix disconnect vs accept race Despite commit 0ad529d9fd2b "mptcp: fix possible divide by zero in recvmsg", the mptcp protocol is still prone to a race between disconnect or shutdown and accept. The root cause is that the...

CVE-2022-50467 scsi: lpfc: Fix null ndlp ptr dereference in abnormal exit path for GFT_ID

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix null ndlp ptr dereference in abnormal exit path for GFTID An error case exit from lpfccmplctcmdgftid results in a call to lpfcnlpput with a null pointer to a nodelist structure. Changed lpfccmplctcmdgftid to...

CVE-2022-50459 scsi: iscsi: iscsi_tcp: Fix null-ptr-deref while calling getpeername()

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsi: iscsitcp: Fix null-ptr-deref while calling getpeername Fix a NULL pointer crash that occurs when we are freeing the socket at the same time we access it via sysfs. The problem is that: 1. iscsiswtcpconngetparam and...

CVE-2022-50452 net: sched: cake: fix null pointer access issue when cake_init() fails

In the Linux kernel, the following vulnerability has been resolved: net: sched: cake: fix null pointer access issue when cakeinit fails When the default qdisc is cake, if the qdisc of devqueue fails to be inited during mqprioinit, cakereset is invoked to clear resources. In this case, the tins is...

CVE-2022-50452 net: sched: cake: fix null pointer access issue when cake_init() fails

In the Linux kernel, the following vulnerability has been resolved: net: sched: cake: fix null pointer access issue when cakeinit fails When the default qdisc is cake, if the qdisc of devqueue fails to be inited during mqprioinit, cakereset is invoked to clear resources. In this case, the tins is...

CVE-2023-53483 ACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup()

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Check for null return of devmkzalloc in fchmiscsetup devmkzalloc may fail, clkdata-name might be NULL and will cause a NULL pointer dereference later. rjw: Subject and changelog edits...

CVE-2023-53480 kobject: Add sanity check for kset->kobj.ktype in kset_register()

In the Linux kernel, the following vulnerability has been resolved: kobject: Add sanity check for kset-kobj.ktype in ksetregister When I register a kset in the following way: static struct kset mykset; kobjectsetname&mykset.kobj, "mykset"; ret = ksetregister&mykset; A null pointer dereference...

CVE-2023-53480

CVE-2023-53480 : In the Linux kernel, a o bject-level NULL-dereference can occur when registering a kset if its embedded kobject’s ktype is not initialized. The described scenario initializes a kset and its kobject name but omits kset.kobj.ktype, leading to a NULL pointer dereference in kobject_a...

CVE-2023-53469 af_unix: Fix null-ptr-deref in unix_stream_sendpage().

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix null-ptr-deref in unixstreamsendpage. Bing-Jhong Billy Jheng reported null-ptr-deref in unixstreamsendpage with detailed analysis and a nice repro. unixstreamsendpage tries to add data to the last skb in the peer's re...