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

In the Linux kernel, the following vulnerability has been resolved: lib: cpurmap: Avoid using the function after freeing entries in the rmap-obj array. When calling irqsetaffinitynotifier with NULL as the notify argument, it will cause the glue pointer in the corresponding array entry to be freed...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fixed an issue where the cs84xx structure was used after it had been freed, leading to a use-after-free condition during host teardown. The qla84xxputchip function releases the last reference to the ha-cs84xx...

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

In the Linux kernel, the following vulnerability has been resolved: dmaengine: tegra-adma: Fix use-after-free There is a use-after-free bug in the Tegra ADMA driver when audio streams are terminated, especially during XRUN conditions. The issue occurs when the DMA buffer is freed by...

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

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/srpt: Do not register the event handler until the srpt device is fully set up. In rare cases, KASAN reports a use-after-free error in the srptrefreshport function. This appears to occur because the event handler is...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: core: Fixed a use-after-free in sndsocexit. KASAN reported a use-after-free: BUG: KASAN: Use-after-free in devicedel+0xb5b/0xc60. A read of size 8 at address ffff888008655050 was performed by the task rmmod/387. CPU: 2;...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fixing the use-after-free bug of nswriter when remounting the filesystem. If a nilfs2 filesystem is downgraded to read-only due to metadata corruption on the disk, and it is remounted with read/write access, or if an...

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

The brcm80211 component in the Linux kernel, from version 6.5.10 onwards, has a use-after-free issue in the code for disconnecting devices via hotplug i.e., removing the USB connection. For attackers who have physical access and local privileges, “this could be exploited in a real-world scenario....

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Fixed a UAF in ieee80211scanrx The ieee80211scanrx function attempts to access scanreq-flags after a null check. However, a UAF Use-after-Allocation was observed when the scan is completed and ieee80211scancomplet...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a use-after-free after failing to create a snapshot. In ioctl.c’s createsnapshot function, we allocate a pending snapshot structure and then attach it to the transaction’s list of pending snapshots. After that, we ca...

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

In the Linux kernel, the following vulnerability has been resolved: The issue involves bcm: – a UAF Use-After-Free flaw in bcmprocshow. Bug: KASAN: A slabuse-after-free issue occurs in bcmprocshow+0x969/0xa80. A size 8 byte read was performed at address ffff888155846230 by the task cat/7862. CPU:...

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

In the Linux kernel, the following vulnerabilities have been resolved: jffs2: Fixed potential illegal address access in jffs2freeinode. During the stress testing of the jffs2 file system, the following abnormal outputs were found: 2430.649000 Unable to handle kernel paging request at virtual...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: usb: gadget: uvc: Fixing dangling pointers in uvcfunctionbind and uvcfunctionunbind In the error path of uvcfunctionbind, we use usbepfreerequest, which uses uvc-controlreq but does not set it to NULL afterward. As a result,...

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

In the Linux kernel, the following vulnerabilities have been resolved: - ata: patasl82c105: fixed the use of bridge revisions after a use-after-free occurred. - pcigetslot returns a referenced PCI device. Commit 44c10138fd4b “PCI: Change all drivers to use pcidevice-revision” replaced a...

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: batman-adv: bla: prevent use-after-free when deleting claims When the batadvbladelbackboneclaims function deletes all claims for a backbone, it does this by removing the link entry from the hash list. This list entry was one of t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Synchronize heartbeat callbacks with o2net teardown This patch belongs to the series “ocfs2: Hardening heartbeat teardown races”. This series addresses two OCFS2 heartbeat/o2net teardown races detected by KASAN. This patch...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: maintaining a reference to the request skb during sendframe pn533sendasync publishes the command and then calls dev-phyops-sendframe. Once dev-cmd is set, an incoming frame can be associated with this command. In the...

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

In the Linux kernel, the following vulnerabilities have been resolved: net: macb: fixed the handling of clk in the PCI glue driver removal platformdeviceunregister may still need to use the registered clks during the runtime resume callback. PCIunregisterdriver+0x26/0x220...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Staging: rtl8192u – Fixed the use of the “skb” pointer after a “free” operation in ieee80211rx. We cannot dereference the “skb” pointer after calling ieee80211monitorrx, because this constitutes a use after free...

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

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...