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: fs: sysfs: Fixed a reference leak in sysfsbreakactiveprotection The sysfsbreakactiveprotection routine has a clear reference leak in its error handling path. If the call to kernfsfindandget fails, kn will be NULL. As a result, th...

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

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: fixed the issue of double module refcount decrementation. Once the discipline is associated with the device, deleting the device will cause the module’s refcount to be decreased. Performing this operation manually alon...

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: ipv6: fixed a race condition between ipv6getifaddr and ipv6deladdr Although ipv6getifaddr operates under the RCU lock, it still allows hlistforeachentryrcu to return an item that has already been removed from the list. The memory...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rxrpc: The issue of delayed ACKs was fixed, so that the reference serial number is no longer set. The construction of delayed ACKs was corrected so that the reference serial number is no longer used as a reference for RTT...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Ethernet: mtkethsoc: Reset the progptr to oldprog in case of an error in mtkxdpsetup. Reset the eBPF program pointer to oldprog, and do not decrease its reference count if the mtkopen routine in mtkxdpsetup fails...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: serial: pch: Fixed the reference count leak in pchrequestdma. According to the comments on pcigetslot, it returns a pcidevice with its reference count increased. The caller must decrement the reference count by calling pcidevput...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cifs: Prevent NULL dereferencing in cifscomposemountoptions. The optional @ref parameter may contain a NULL nodename. Therefore, prevent dereferencing it in cifscomposemountoptions. Address-Coverity: 1476408 “Explicit NULL...

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: s390/zcrypt: fix reference counting on zcrypt card objects Tests with hot-plugging crytpo cards on KVM guests with debug kernel build revealed an use after free for the load field of the struct zcryptcard. The reason was an...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: All requests are flushed after setting CACHEFILESDEAD. In ondemand mode, when the daemon is processing an open request, if the kernel marks the cache as CACHEFILESDEAD, the cachefilesdaemonwrite function will always...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In TLS communication, there was an issue where we took a reference to psock after locking the RX lock, in order to avoid leaks. At the beginning of the tlsswrecvmsg function, we take a reference to psock, and then call...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: A reference count leak was fixed in snruncoremmiomap. pcigetdevice increases the reference count of the returned pcidev. Therefore, snruncoregetmcdev will return a pcidev with its reference count increased...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iio: light: bh1780: fix PM runtime leak on error path The function pmruntimeputautosuspend has been moved before the error check, to ensure that the PM runtime reference count is always decremented after pmruntimegetsync,...

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

In the Linux kernel, the following vulnerability has been resolved: mfd: arizona: Use pmruntimeresumeandget to prevent refcnt leak In arizonaclk32kenable, we should use pmruntimeresumeandget. pmruntimegetsync will increase the refcnt even when it returns an error...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbdev: In of: displaytiming, there is a fix for the refcount leak in ofgetdisplaytimings. The function ofparsephandle returns a devicenode with the refcount incremented. This value is stored in ‘entry’ and then copied to...

Astra Linux – Vulnerability in Firefox and Thunderbird

If an AlignedBuffer is assigned to itself, the subsequent self-move operation may lead to an incorrect reference count, potentially causing a use-after-free issue. This vulnerability affects Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drbd: fixed the “LOGIC BUG” in drbdalbeginiononblock Although we ensure that we can perform lcgetcumulative while holding the device-allock spinlock, it may still fail if some other code path decides to use lctrylock at the wrong...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rxrpc: a reference count leak was fixed in rxrpcserverkeyring. This patch addresses the reference count leak in rxrpcserverkeyring by checking whether rx-securities has already been set...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Futex: The stale exiting pointer was cleared in the retry path of futexlockpi. Events triggered due to fuzzying/stressing futexes: WARNING: kernel/futex/core.c:825 at waitforownerexiting+0x7a/0x80, CPU11: futexlockpis/524 When...

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: dmaengine: lpc18xx-dmamux: fix device leak on route allocation Make sure to remove the reference that was used when accessing the DMA mux platform device during route allocation...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/meson: Remove DRM bridges when binding the aggregate driver The DRM bridges added by mesonencoderhdmiinit and mesonencodercvbsinit were not manually removed during module unloading, which caused dangling references to free...