Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix tc flower deletion for VLAN priority Rx steering To replicate the issue: 1 Add a tc flower filter for VLAN Priority-based frame steering: $ IFDEVNAME=eth0 $ tc qdisc add dev $IFDEVNAME ingress $ tc qdisc add dev...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mptcp: never allow the PM to close a listener subflow Currently, when deleting an endpoint, the netlink PM traverses all local MPTCP sockets, regardless of their status. If an MPTCP listener socket is bound to the IP correspondin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fixed NULL page-mapping dereference in pageissecretmem Checked for a NULL page-mapping before dereferencing the mapping in pageissecretmem, as the page’s mapping can be nullified while gup is running, for example, b...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt7601u: Fix an integer underflow An integer underflow caused by a null pointer dereference occurred in mt7601urxskbfromseg. The variable dmalen in the URB packet could be manipulated, which could trigger an integer underfl...

Astra Linux – Vulnerability in Mutt

Null pointer dereferencing when composing from a specially crafted draft message in Mutt 1.5.2 2.2.12...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: hwmon: coretemp Check for null before removing sysfsattrs. If coretempaddcore encounters an error, pdata-coredataindx is already NULL and has been freed. Do not pass this value to sysfsremovegroup, as it will cause a crash in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Zoned – Cloning zoned device info when cloning a device When cloning a btrfsdevice, we are not cloning the associated btrfszoneddeviceinfo structure of the device, especially in cases where the filesystem is zoned. This ca...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: serial: liteuart: Fixed a NULL pointer dereferencing issue in -remove. The drvdata parameter must be set in probe; otherwise, platformgetdrvdata causes a NULL pointer dereferencing bug in remove...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nfs: fixed a panic that occurred when nfs4fflayoutprepareds failed. We have observed the following panics in production: BUG: NULL pointer dereferencing in the kernel, address: 0000000000000065 PGD: 2f485f067; P4D: 2f485f067;...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: pinctrl: aspeed: Fixed a potential NULL dereferencing in aspeedpinmuxsetmux. pdesc could potentially be null, but still, dereferencing pdesc-name would lead to a NULL pointer access. Therefore, we moved a null check before the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Fix command flush on cable pull The system crashed due to a command failing to be flushed back to the SCSI layer. BUG: Unable to handle a NULL pointer dereferencing in the kernel at 0000000000000000 PGD 0 P4D 0...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring: fixed the error in pbuf checking Syz reports a problem, which boils down to inconsistent error handling of NULL vs ISERR in ioallocpbufring. KASAN: nullptrderef in the range 0x0000000000000000-0x0000000000000007 RIP:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “neighbour”: Fixed null-ptr-deref in neighFlushDev. The kernel test robot reported null-ptr-deref in neighFlushDev. 0 The referenced commit introduced a per-netdev neighbor list and replaced neighFlushDev with it instead of using...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fixed null pointer dereference in bnxtbstracecheckwrap. With older firmware versions, we might encounter the ASYNCEVENTCMPLEVENTIDDBGBUFPRODUCER for the FW trace data type that has not been initialized. This could lead to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwl3945: Added a check for the return value of createsinglethreadworkqueue to avoid NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI: ofproperty: Return error for intmap allocation failure The “-ENOMEM” return value occurs when kcalloc fails to prevent a NULL pointer dereferencing in this case. bhelgaas: commit log...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI/AER: Avoid NULL pointer dereferencing in aerratelimit When platform firmware provides error information to the OS, for example, via the ACPI APEI GHES mechanism, it may identify a device that does not advertise an AER...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sfc: Fixed the null pointer dereference in efxhardstartxmit. Trying to access the channel through the txqueue variable is incorrect because we can only be in this situation if txqueue is NULL. Therefore, we should not dereference...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

There is a null-pointer-dereference flaw found in f2fswriteendio in fs/f2fs/data.c in the Linux kernel. This flaw allows a local privileged user to cause a denial of service problem...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fixed null ndlp pointer dereferencing in an abnormal exit path for GFTID An error case resulting from exiting from lpfccmplctcmdgftid causes a call to lpfcnlpput, where a null pointer is used to reference the nodelist...