Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a use-after-free issue in ext4findextent when using bigalloc with inline data. Syzbot identified the following issue: - loop0: A change in capacity was detected, from 0 to 2048. - EXT4-fs loop0: The filesystem...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: um: Fixed an out-of-bounds read in LDT setup syscallstubdata expects the datacount parameter to be the number of longs, not bytes. ================================================================== BUG: KASAN: Out-of-bounds acces...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds When we run syzkaller, we encounter an out-of-bound error. The specific error message is: “KASAN: slab-out-of-bounds Read in regcacheflatread” The backtrace of the issue i...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nfc: pn533: Wait for outurb’s completion in pn533usbsendframe A use-after-free issue occurred in hcd when inurb sent from pn533usbsendframe was completed earlier than outurb. The callback in pn533sendComplete frees the skb dat...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ARM: 9381/1: kasan: cleared stale stack poison We have identified the following OOB crash: 33.452494 ================================================================== 33.453513 BUG: KASAN: stack-out-of-bounds in...

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

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: meson: axg-card: fixed “use-after-free” issue The buffer “card-dailink” is reallocated in “mesoncardreallocatelinks”. Therefore, the initialization of the “pad” pointer should be moved after this function, when the memor...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit Unregister flowtable hooks before they are releases via nftablesflowtabledestroy otherwise hook core reports UAF. BUG: KASAN: use-after-free in...

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

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: xtables: fixed the LED ID check in ledtgcheck Syzbot has reported the following BUG detected by KASAN: BUG: KASAN: slab-out-of-bounds in strlen+0x58/0x70 Size 1 was read at address ffff8881022da0c8 by task repro/587...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: scsi: scsidebug: Fixed the type of mint to avoid stack out-of-bounds situations. Changed mint to use the type “u32” instead of “int” to prevent stack out-of-bounds conditions. When mint uses the “int” type, values are...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on ixattrnid in sanitycheckinode syzbot reports a kernel bug as below: F2FS-fs loop0: Mounted with checkpoint version = 48b305e4 ================================================================== BUG:...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: wilc1000: using vmmtable as an array in the wilc struct. Enabling KASAN and running some iperf tests causes some memory issues related to vmmtable. Bug: KASAN: A slab-out-of-bounds issue exists in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: wan: farsync: Fixed use-after-free bugs caused by unfinished tasklets When the FarSync T-series card is detached, the fstcardinfo is deallocated in fstremoveone. However, the fsttxtask or fstinttask may still be running or...

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

In the Linux kernel, the following vulnerability has been resolved: media: usb: siano: Fix use after free bugs caused by dosubmiturb There are UAF bugs caused by dosubmiturb. One of the KASan reports is shown below: 36.403605 BUG: KASAN: use-after-free in workerthread+0x4a2/0x890 36.406105 Read o...

CVE-2026-64448

In the Linux kernel, the following vulnerability has been resolved: smb: client: restrict implied bcc0 exemption to responses without data area smb2checkmessage has a long-standing quirk that accepts a response whose calculated length is one byte larger than the bytes actually received "server ca...

CVE-2026-64061 netfs: Fix early put of sink folio in netfs_read_gaps()

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix early put of sink folio in netfsreadgaps Fix netfsreadgaps to release the sink page it uses after waiting for the request to complete. The way the sink page is used is that an ITERBVEC-class iterator is created that ha...

SUSE CVE-2026-53040

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate bgbits during freefrag scan BUG A crafted filesystem can trigger an out-of-bounds bitmap walk when OCFS2IOCINFO is issued with OCFS2INFOFLNONCOHERENT. BUG: KASAN: use-after-free in instrumentatomicread...

CVE-2026-53255

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: validate advertising TLV before type checks tlvdataisvalid reads each advertising data field length from datai, then inspects datai + 1 for managed EIR types before checking that the current field still fits insi...

CVE-2026-52973

In the Linux kernel, the following vulnerability has been resolved: futex: Drop CLONETHREAD requirement for private default hash alloc Currently needfutexhashallocatedefault depends on strict pthread semantics, abusing CLONETHREAD. This breaks the non-concurrency assumptions when doing the...

CVE-2026-53038

CVE-2026-53038 affects the Linux kernel IMA subsystem. When handling unsupported TPM hash algorithms, ima_fs can access hash_algo_name[] with an invalid crypto_id (set to HASH_ALGO__LAST), causing a read-out-of-bounds in create_securityfs_measurement_lists. The issue is associated with TPM_ALG_SH...

CVE-2026-52942

In the Linux kernel, the following vulnerability has been resolved: netfilter: nflog: validate MAC header was set before dumping it The fallback path of dumpmacheader guards the MAC header access only with "skb-macheader != skb-networkheader", without checking skbmacheaderwasset. When the MAC...