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

In the Linux kernel, the following vulnerability has been resolved: ravb: Fixed the use-after-free issue in ravbtxtimeoutwork. The ravbstop function should call cancelworksync. Otherwise, ravbtxtimeoutwork may use the freed private data after ravbremove is called, as follows: CPU0 CPU1...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Fixed a use-after-free issue in tipcnamedreinit. syzbot identified the following issue: BUG: KASAN: Use-after-free in tipcnamedreinit+0x94f/0x9b0 net/tipc/namedistr.c:413 A 8-byte read at address ffff88805299a000 was...

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: HSI: ssiprotocol: Fixed a use-after-free vulnerability in the ssiProtocol Driver due to race conditions. In the ssiProtocolprobe function, &ssi-work is bound to ssipxmitwork. In ssippnsetup, the ssippnxmit function within the...

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: drm/amd/display: Fixed a slab-use-after-free issue in hdcpwork Why A slab-use-after-free issue was reported when HDCP was destroyed, but the propertyvalidatedwork queue was still running. How The delayed work was canceled when th...

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: RCU: Protect - deferqsiwpending from data race On kernels built with CONFIGIRQWORK=y, when rcureadunlock is invoked within a code region where interrupts are disabled 1, it will invoke rcureadunlockspecial, which uses an irq-work...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: perf: Fixed event leakage upon execution and file release The pending task work related to perf is never waited for when a matching event occurs. In the case of a child event released directly via freeevent, this can potential...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nvme-multipath: fixed the lockdep warning due to the partition scan operation. The test cases nvme/014, 057, and 058 occasionally fail due to the lockdep warning. As reported in the Closes tag URL, this warning indicates that ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfc: hci: shdlc: Stop timers and perform cleanup before freeing the context. The llcshdlcdeinit function cleans up SHDLC skb queues and frees the llcshdlc structure. During this process, timer functions and the state machine may...

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: espintcp: A race condition in espintcpclose has been fixed. This issue was discovered during a code audit. After espintcpclose is called, espintcptxwork can still be scheduled using functions like the Delayed ACK handler or...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge: mcast: Wait for previous GC cycles when removing a port The syzbot encountered a use-after-free issue1. This issue occurs because the bridge does not ensure that all previous garbage collection cycles are completed...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: displayport: Deadlock issue fixed This patch introduces the ucsiconmutexlock and ucsiconmutexunlock functions to the UCSI driver. The ucsiconmutexlock function ensures that the connector mutex is only locked if ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: qedi: Fixed a use-after-free bug in qediremove. In qediprobe, we call qediprobe, which initializes &qedi-recoverywork with qedirecoveryhandler and &qedi-boarddisablework with qediboarddisablework. When...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: fixed a possible memory leak in smb2lock. argv needs to be freed when setupasyncwork fails, or when the current process is awakened...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - net: 9p: fixed a refcount leak in error handling of p9readwork. - p9reqput must be called when m-rreq-rc.sdata is NULL to avoid a temporary refcount leak. Dominique: made changes to the commit message, fixed arguments for...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netdevsim: Avoid potential loops in nsimdevtrapreportwork. Many syzbot reports include the following trace 1. If nsimdevtrapreportwork cannot acquire the mutex, it should rearm itself at least one jiffie later. 1 Sending NMI...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: mcast: fixed a data race in ipv6mcdown / mldifcwork. idev-mcifccount can be written without proper locking. Originally reported by syzbot 1. This issue was fixed by encapsulating calls to mldifcstopwork and mldgqstopwork...

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

In the Linux kernel, the following vulnerabilities have been resolved: scsi: Message: mptlan: Fixed a use-after-free bug in mptlanremove, due to a race condition. In mptlanprobe, mptregisterlandevice is called, which initializes the &priv-postbucketstask workqueue. A call to...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: iouring: Fixed a null-ptr-deref in iotctxexitcb. Syzkaller reports a NULL deref bug as follows: BUG: KASAN: null-ptr-deref in iotctxexitcb+0x53/0xd3 Read of size 4 at address 0000000000000138 by task file1/1955 CPU: 1 PID: 195...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: rcu-tasks: Fixed a race condition in the schedule function and the flush work operation. When booting secondary CPUs, cpusreadlock/unlock does not keep the online cpumask stable. This temporary change in the online mask result...

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: mlxsw: spectrumacltcam: A memory leak has been fixed when canceling the rehash operation. The rehash operation is rescheduled with a delay if the number of credits at the end of the operation is not negative—this indicates that t...