Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: avoid disabling offload when it was never enabled In a rather strange API design decision, qdisc-destroy is called even if qdisc-init never succeeded. This isn’t exclusive to the commit 87b60cfacf9f “netsched:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel before version 6.1.3, fs/ntfs3/record.c does not validate resident attribute names. This could lead to an out-of-bounds write vulnerability...

Astra Linux – Vulnerability in Linux 5.10

A issue was discovered in the Linux kernel 5.10.x before 5.10.155. A use-after-free in the iosqpollwaitsq function in fs/iouring.c allows an attacker to crash the kernel, resulting in a denial of service. The finishwait function can be bypassed. An attack can occur in some situations by forkning ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: macvlan: fixed memory leaks in macvlancommonnewlink. kmemleak reports memory leaks in macvlancommonnewlink, as follows: c ip link add link eth0 name .. type macvlan mode source macaddr add kmemleak reports: - A unreferenced...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “block, bfq”: fixed a potential UAF issue for “bfqq-bic” in “bicsetbfqq”. After the commit “64dc8c732f5c” “block, bfq: fix possible UAF for ‘bfqq-bic’”, “bic-bfqq” will be accessed in “bicsetbfqq”. However, in some contexts,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: phy: dp83822: Fix null pointer access on DP83825/DP83826 devices The probe function is only used for the DP83822 PHY; the private data pointer remains uninitialized for the smaller DP83825/26 models. While all uses of the...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/via: Avoid potential array out-of-bound access in addsecretdacpath The sndhdagetconnections function may return a negative error code. This could lead to accessing the ‘conn’ array at a negative index. This issue was...

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

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: crosecchardev: fixed the kernel data leak caused by ioctl calls. It is possible to view the data of kernel pages by providing a larger insize value in struct croseccommand1 when invoking EC host commands. This...

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

In the Linux kernel, the following vulnerabilities have been resolved: net: USB: Fixed an error in the warning message for incorrect direction handling in plusb.c. The syzbot fuzzer detected a bug in the plusb network driver: A zero-length control-OUT transfer was incorrectly treated as a read...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip invalid kfunc call in backtrackinsn The verifier skips invalid kfunc calls in checkkfunccall. Such calls would be caught by fixupkfunccall if they aren’t eliminated through dead code elimination. However, this can lead ...

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

In the Linux kernel, the following vulnerabilities have been resolved: Squashfs: fixed the handling and sanity checking of the xattrids count A Sysbot 1 that corrupted the filesystem exposed two flaws in the handling and sanity checking of the xattrids count in the filesystem. Both of these flaws...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: A UAF use-after-free error occurs during login when accessing the host’s IP address. If the iscsitcpr2tpoolalloc function fails during iscsiswtcpsessioncreate, the user space may access the host’s IP address. If t...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

A issue was discovered in lib/kobject.c in the Linux kernel before version 6.2.3. With root access, an attacker can trigger a race condition that results in an out-of-bounds write of the fillkobjpath variable...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: crypto: qat – A memory leak has been fixed in RSA operations. When a RSA key is represented in Form 2 as defined in PKCS 1 V2.1, some components of the private key persist even after the TFM Transaction Framework is released. To...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd: fixed the potential integer overflow that could occur when shifting an int. The left shift of the 32-bit integer constant 1 is evaluated using 32-bit arithmetic, and then passed as a 64-bit function argument. In cas...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ntfs: Check overflow when iterating ATTRRECORDs The kernel iterates over ATTRRECORDS in mft records in ntfsattrfind. Since ATTRRECORDS are adjacent to each other, the kernel can access the next ATTRRECORD from the end address of...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tcp: cdg: allow tcpcdgrelease to be called multiple times Apparently, mptcp is able to call tcpdisconnect on an already disconnected flow. This is generally fine, unless current congestion control is CDG, because it might trigger...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Input: i8042 – fixed the issue of leaking the platform device when the module was removed. Avoid resetting the i8042platformdevice pointer across modules in i8042probe or i8042remove, so that the device can be properly destroyed ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iio: adc: at91adc: fixed a possible memory leak in at91adcallocatetrigger If iiotriggerregister returns an error, it should call iiotriggerfree to release the reference held by iiotriggeralloc, so that it can call iiotrigrelease ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix ref leak when switching zones When switching zones or network namespaces without performing a ct clear in between, a reference to the old ct entry is still leaked. This occurs because tcfctskbnfctcached...