Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a use-after-free in ext4orphancleanup. I identified the issue as follows: BUG: KASAN: Use-after-free in listaddvalid+0x28/0x1a0. Read of size 8 at address ffff88814b13f378 by task mount/710. CPU: 1 PID: 710 Comm:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: crosectypec: Stale pointers have been set to zero. The function crostypecgetswitchhandles allocates four pointers when obtaining type-c switch handles. These pointers are all freed if none of them are obtained...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: uio: uiodmemgenirq: Fixed an issue where the unlock operation was missed in irq configuration. The commit b74351287d4b “uio: fixed a bug in uiodmemgenirqirqcontrol”. corrected the code so that disableirq was called without...

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

In the Linux kernel, the following vulnerabilities have been resolved: ARM: zynq: Fixed a refcount leak in zynqearlyslcrinit. The function offindcompatiblenode returns a node pointer with the refcount incremented. We should use ofnodeput in the error handling path. Add ofnodeput to avoid the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Of: overlay: Early call to callchangesetinit When ofoverlayfdtapply fails, the changeset may be partially applied. It is still expected that the caller will call ofoverlayremove to clean up this partial state. However,...

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: netlink: Do not hard code the device address length in fdb dumps. syzbot reports that some netdev devices do not have a six-byte address. Replace ETHALEN with dev-addrlen. 1 In cases where dev-addrlen = 4 BUG: KMSAN:...

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

In the Linux kernel, the following vulnerability has been resolved: tty: serial: samsungtty: Fixed a memory leak in s3c24xxSerialGetClk in case of an error. If clkgetrate fails, the clock that has just been allocated needs to be freed...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mmc: alcor: fixed the return value check in mmcaddhost The mmcaddhost function may return an error. If we ignore its return value, the memory allocated in mmcallochost will be leaked, leading to a kernel crash due to the remov...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: mtkdrmcrtc: Added checks for devmkcalloc. Since devmkcalloc may return NULL, the return value needs to be checked to avoid dereferencing a NULL pointer...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Check whether a station exists first in the client probe. When probing a client, first check whether a station exists, and then check the channel context. Otherwise, a warning can easily be triggered by probing wh...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: IB/mad: Do not call to functions that might sleep while in atomic context. Tracepoints are not allowed to sleep. As a result, the following error is generated due to a call to ibquerypkey in atomic context. WARNING: CPU: 0 PID:...

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

In the Linux kernel, the following vulnerability has been resolved: dax: Fixed the issue where daxmappingrelease was called after the free operation. A test using CONFIGDEBUGKOBJECTRELEASE to remove a device-related dax region e.g., using modprobe -r daxhmem results in the following output:...

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

In the Linux kernel, the following vulnerability has been resolved: iavf: Fixed a use-after-free in freenetdev. We perform netifnapiadd for all allocated qvectors, but potentially also perform netifnapidel for some of them. Then, we call kfree on the qvectors, leaving invalid pointers in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: ymfpci: Fixed the BUGON in the probe function. The snddmabuffer.bytes field now contains the aligned size, which this sndBUGON did not account for, resulting in the following issue: 9.625915 ------------ Cut here ----------...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: binfmtmisc: fixed a out-of-bounds shift in checkspecialflags. UBSAN reported an out-of-bounds warning: A shift of 1 place by 31 places cannot be represented as a value of type ‘int’. Call trace: dumpstack lib/dumpstack.c:88...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A use-after-free bug in nilfsroot has been fixed in nilfsevictinode. During the unmount process of nilfs2, nothing holds the nilfsroot structure after nilfs2 detaches its writer in nilfsdetachlogwriter. However, since...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ethtool: Fixed an issue where the uninitialized number of lanes was used. It is not possible to set the number of lanes when adjusting link modes using the legacy IOCTL ethtool interface. Since the structure struct...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: Range check of CHDBOFF and ERDBOFF If the values read from the CHDBOFF and ERDBOFF registers are outside the range of the MHI register space, an invalid address may be calculated, which can later cause a kernel...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftsetrbtree: fixed a null dereference issue when inserting elements into the RBTree structure. There is no guarantee that rbprev will not return NULL in nftrbtreegcelem: General protection faults, likely due to an...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: rds: Do not hold the sock lock when canceling work from rdstcpresetcallbacks. The syzbot is reporting a lockdep warning at rdstcpresetcallbacks, for the commit ac3615e7f3cffe2a “RDS: TCP: Reduce code duplication in...