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: usb: gadget: uSerial: Added a null pointer check in gSerialsuspend Consider a scenario where gSerialdisconnect has already cleared gser-ioport. If gSerialsuspend is called afterward, it will lead to accessing gser-ioport, thereby...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: powercap: intelrapl: Fixed the UBSAN shift-out-of-bounds issue. When value timeunit, the parameter of ilog2 will be zero, and the return value will be -1. u64-1 is too large for the shift exponent, potentially leading to a...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed an uninitialized value in ‘ext4evict inode’. Syzbot identified the following issue: ===================================================== BUG: KMSAN: Uninitialized value in ext4evict inode+0xdd/0x26b0,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: gve: Defer the enabling of interrupts until NAPI registration. Currently, interrupts are automatically enabled immediately upon request. This allows interrupts to occur before the associated NAPI context is fully initialized,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed the xid leak in cifssesaddchannel. Before returning, it is necessary to free the xid; otherwise, the xid will be leaked...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Staging: rtl8723bs: Fix for out-of-bounds read in rtwgetie parser. The Information Element IE parser rtwgetie trusted the length byte of each Information Element without verifying that the IE body len bytes after the 2-byte heade...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mmc: via-sdmmc: fixed the return value check in mmcaddhost The mmcaddhost function may return an error. If we ignore its return value, it will cause two issues: 1. The memory allocated in mmcallochost may be leaked. 2. In the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: spi: tegra210-quad: Fix timeout handling When the CPU on which the QSPI interrupt handler runs typically CPU 0 is excessively busy, it can lead to rare cases where the IRQ thread does not run before the transfer timeout is reache...

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: net/sched: ets: Always remove the class from the active list before deleting it in etsqdiscchange. The vulnerability is a race condition between etsqdiscdequeue and etsqdiscchange. This causes a Use-After-Freeze UAF error on the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: fec: handle pagepooldevallocpages error The fecenetupdatecbd function calls pagepooldevallocpages, but it does not handle the case where NULL is returned. A WARNON!newpage message is generated, but the program still proceeds...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fixed data races related to sysctlfibmultipathhashfields. When reading sysctlfibmultipathhashfields, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

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: scsi: qla4xxx: This issue prevents the possible dereferencing of error pointers. The qla4xxxgetepfwdb function is supposed to return NULL in case of an error. However, qla4xxxepconnect returns error pointers. Passing these error...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwlwifi: dvm – Fixed a issue where memcpy was used for writing data that spanned multiple fields. The received TKIP key may be up to 32 bytes, as it may also contain MIC rx/tx keys. These keys are not used by iwlwifi, and...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: apparmor: avoid crash when parsed profile name is empty When processing a packed profile in unpackprofile described like "profile :ns::samba-dcerpcd /usr/lib/samba/,samba/samba-dcerpcd ..." a string ":samba-dcerpcd" is unpacked a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: fixed page mapping when vmareaallocpages uses high-order fallback to order 0. The vmappagesrangenoflush function assumes that its argument pages contains pages with the same page shift. However, since commit...

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: wifi: ath9k: A range check was added for connrspepid in htcconnectservice. I have also identified the following bugs in my fuzzer: - UBSAN: Array index out of bounds in drivers/net/wireless/ath/ath9k/htchst.c:26:51. Index 255 is...

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: net/hsr: A NULL pointer dereference was fixed in prpgetuntaggedframe. prpgetuntaggedframe calls pskbcopy to create frame-skbstd, but does not check whether the allocation fails. If pskbcopy returns NULL, skbclone is called with a...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: scsi.debug: A sanity check was performed to ensure that the block descriptor length in respmodeselect was valid. BUG: KASAN: A use-after-free condition occurred in respmodeselect+0xa4c/0xb40, located in...

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...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fscache: The fscachecookielrutimer is deleted when the fscache module is removed, to avoid a Use-After-Free attack. The fscachecookielrutimer is initialized when the fscache module is inserted, but it is not deleted when the...