CVE-2023-53206 hwmon: (pmbus_core) Fix NULL pointer dereference

In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbuscore Fix NULL pointer dereference Pass i2cclient to pmbusisenabled to drop the assumption that a regulator device is passed in. This will fix the issue of a NULL pointer dereference when called from pmbusgetflags...

CVE-2022-50276 power: supply: fix null pointer dereferencing in power_supply_get_battery_info

In the Linux kernel, the following vulnerability has been resolved: power: supply: fix null pointer dereferencing in powersupplygetbatteryinfo when kmalloc fail to allocate memory in kasprintf, propname will be NULL, strcmp called by ofgetproperty will cause null pointer dereference. So return...

CVE-2022-50272 media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()

In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb: az6027: fix null-ptr-deref in az6027i2cxfer Wei Chen reports a kernel bug as blew: general protection fault, probably for non-canonical address KASAN: null-ptr-deref in range 0x0000000000000010-0x0000000000000017...

CVE-2022-50272

CVE-2022-50272 affects the Linux kernel’s media: dvb-usb az6027 driver. In az6027_i2c_xfer(), a null-ptr-deref can occur when an I2C message has addr 0x99 with len=0 and buf=NULL, allowing a kernel crash. The fix is to validate msg[i].len before accessing msg[i].buf. Unity Linux advisories (UTSA-...

CVE-2022-50262

CVE-2022-50262 concerns the Linux kernel NTFS handling in the ntfs3 file system. Technical details in the connected documents show that when the NTFS BOOT record_size is negative (treated as a shift value), there is no validation of the resulting shift. This allows an invalid size to propagate in...

DEBIAN-CVE-2023-53147

In the Linux kernel, the following vulnerability has been resolved: xfrm: add NULL check in xfrmupdateaeparams Normally, x-replayesn and x-preplayesn should be allocated at xfrmallocreplaystateesn... in xfrmstateconstruct..., hence the xfrmupdateaeparams... is okay to update them. However, the...

CVE-2022-50244

In the Linux kernel, the following vulnerability has been resolved: cxl: fix possible null-ptr-deref in cxlpciinitafu|adapter If deviceregister fails in cxlpciafu|adapter, the device is not added, deviceunregister can not be called in the error path, otherwise it will cause a null-ptr-deref becau...

UBUNTU-CVE-2023-53180

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Avoid NULL pointer access during management transmit cleanup Currently 'ar' reference is not added in skbcb. Though this is generally not used during transmit completion callbacks, on interface removal the remaining...

UBUNTU-CVE-2023-53166

In the Linux kernel, the following vulnerability has been resolved: power: supply: bq25890: Fix externalpowerchanged race bq25890chargerexternalpowerchanged dereferences bq-charger, which gets sets in bq25890powersupplyinit like this: bq-charger = devmpowersupplyregisterbq-dev, &bq-desc, &psycfg;...

UBUNTU-CVE-2022-50244

In the Linux kernel, the following vulnerability has been resolved: cxl: fix possible null-ptr-deref in cxlpciinitafu|adapter If deviceregister fails in cxlpciafu|adapter, the device is not added, deviceunregister can not be called in the error path, otherwise it will cause a null-ptr-deref becau...

CVE-2023-53198 raw: Fix NULL deref in raw_get_next().

In the Linux kernel, the following vulnerability has been resolved: raw: Fix NULL deref in rawgetnext. Dae R. Jeong reported a NULL deref in rawgetnext 0. It seems that the repro was running these sequences in parallel so that one thread was iterating on a socket that was being freed in another...

CVE-2023-53198 raw: Fix NULL deref in raw_get_next().

In the Linux kernel, the following vulnerability has been resolved: raw: Fix NULL deref in rawgetnext. Dae R. Jeong reported a NULL deref in rawgetnext 0. It seems that the repro was running these sequences in parallel so that one thread was iterating on a socket that was being freed in another...

CVE-2023-53150 scsi: qla2xxx: Pointer may be dereferenced

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Pointer may be dereferenced Klocwork tool reported pointer 'rport' returned from call to function fcbsgtorport may be NULL and will be dereferenced. Add a fix to validate rport before dereferencing...

CVE-2022-50244

CVE-2022-50244 affects the Linux kernel code path in cxl_pci_init_afu|adapter() where a failed device_register() leaves a not-added device and leads to a potential null pointer dereference if device_unregister() is called in the error path. The fix splits unregister logic into device_del() and pu...

kernel: net/sched: ets: use old 'nbands' while purging unused classes

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: use old 'nbands' while purging unused classes Shuang reported schets test-case 1 crashing in etsclassqlennotify after recent changes from Lion 2. The problem is: in etsqdiscchange we purge unused DWRR queues; the...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference in the gtlsbionewfromiostream and gtlsbionewfromdatagrambased functions. An attacker can cause a denial of service by triggering an out-of-memory condition that leads to writing to an invalid memory location...

PT-2025-37498

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a flaw in the cxl subsystem where a null pointer dereference may occur in the cxl pci init afu|adapter function. Specifically, if device register fails, the...

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. A security vulnerability exists in the Linux kernel that stems from an unhandled kasprintf memory allocation failure case that could result in a null pointer dereference...

PT-2025-37574

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A null-pointer dereference issue exists in the az6027 i2c xfer function when msgi.addr is 0x99, specifically when msgi.len is 0 and msgi.buf is null. This can lead to a general...

PT-2025-37680

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a flaw in the drm/msm/mdp5 module where a missing check for the return value of kzalloc could lead to a NULL pointer dereference. kzalloc may fail and return ...