CVE-2026-53171 accel/ethosu: fix arithmetic issues in dma_length()

In the Linux kernel, the following vulnerability has been resolved: accel/ethosu: fix arithmetic issues in dmalength dmalength derives DMA region usage from command stream values and updates regionsize: len = len + stride0 size0 + stride1 size1 regionsizeregion = max..., len + dma-offset Several...

CVE-2026-53150

CVE-2026-53150 affects the Linux kernel Thunderbolt validator. The bug arises when tb_property_entry_valid() accepts zero-length TEXT entries for DIRECTORY/DATA/TEXT, enabling a null-termination underflow (writes at property->value.text[length*4 - 1] with length 0). A fix rejects zero-length e...

CVE-2026-53150 thunderbolt: Reject zero-length property entries in validator

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Reject zero-length property entries in validator tbpropertyentryvalid accepts entries with length == 0 for DIRECTORY, DATA, and TEXT types. A zero-length TEXT entry passes validation but causes an underflow in the...

SUSE CVE-2026-9539

An out-of-bounds heap read and integer underflow in the TCP urgent data handling sosendoob in freedesktop.org libslirp version before v4.9.2 on hypervisor host environments e.g., QEMU allows a privileged guest VM attacker root or CAPNETRAW to leak gigabytes of sensitive host-process heap memory v...

SUSE CVE-2026-52919

In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix tpmeter counter underflow during shutdown batadvtpsendershutdown unconditionally decrements the "sending" atomic counter. If multiple paths e.g. timeout, user cancel, and normal finish call this function, the...

CVE-2026-53178: Integer Underflow (Wrap or Wraparound)

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: rtwmlme: add bounds checks before ielength subtraction Add guards to ensure ielength is large enough before subtracting fixed IE offsets to prevent unsigned integer underflow...

CVE-2026-53176: Integer Underflow (Wrap or Wraparound)

In the Linux kernel, the following vulnerability has been resolved: IB/isert: Reject login PDUs shorter than ISERHEADERSLEN In drivers/infiniband/ulp/isert/ibisert.c, isertloginrecvdone computes the login request payload length as wc-bytelen minus ISERHEADERSLEN with no lower bound, and loginreql...

CVE-2026-6678: Integer Underflow (Wrap or Wraparound)

Integer underflow in wcPKCS7DecryptOri when handling crafted Other Recipient Info, leading to incorrect length handling during decryption...

PT-2026-52586

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description An integer underflow occurs in the wc PKCS7 DecryptOri function when processing specially crafted Other Recipient Info. This leads to incorrect length handling...

CVE-2026-53150: Integer Underflow (Wrap or Wraparound)

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Reject zero-length property entries in validator tbpropertyentryvalid accepts entries with length == 0 for DIRECTORY, DATA, and TEXT types. A zero-length TEXT entry passes validation but causes an underflow in the...

Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-7.3.1.12)

The version of AOS installed on the remote host is prior to 7.3.1.12. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-7.3.1.12 advisory. - A flaw was found in GLib Gnome Lib. This vulnerability allows a remote attacker to cause heap corruption, leading to a...

CVE-2026-53260: Use After Free

In the Linux kernel, the following vulnerability has been resolved: tcp: Add preemptdisable,enablenested in reqskqueuehashreq. syzbot reported a weird reqsk-rskrefcnt underflow in inetcskreqskqueuedrop. The captured reqskput in inetcskreqskqueuedrop is called only when it successfully removes req...

CVE-2026-54906

concurrent-ruby is a modern concurrency tools for Ruby. Prior to 1.3.7, Concurrent::ReadWriteLockreleasewritelock does not verify that the calling thread acquired the write lock. Any thread with access to the lock object can release an active write lock held by another thread. A second writer can...

CVE-2026-53130

In the Linux kernel, the following vulnerability has been resolved: fs/omfs: reject ssysblocksize smaller than OMFSDIRSTART omfsfillsuper rejects oversized ssysblocksize values PAGESIZE, but it does not reject values smaller than OMFSDIRSTART 0x1b8 = 440. Later, omfsmakeempty uses sbi-ssysblocksi...

CVE-2026-53130

In the Linux kernel, the following vulnerability has been resolved: fs/omfs: reject ssysblocksize smaller than OMFSDIRSTART omfsfillsuper rejects oversized ssysblocksize values PAGESIZE, but it does not reject values smaller than OMFSDIRSTART 0x1b8 = 440. Later, omfsmakeempty uses sbi-ssysblocksi...

CVE-2026-53130

In the Linux kernel, the following vulnerability has been resolved: fs/omfs: reject ssysblocksize smaller than OMFSDIRSTART omfsfillsuper rejects oversized ssysblocksize values PAGESIZE, but it does not reject values smaller than OMFSDIRSTART 0x1b8 = 440. Later, omfsmakeempty uses sbi-ssysblocksi...

EUVD-2026-38998

In the Linux kernel, the following vulnerability has been resolved: fs/omfs: reject ssysblocksize smaller than OMFSDIRSTART omfsfillsuper rejects oversized ssysblocksize values PAGESIZE, but it does not reject values smaller than OMFSDIRSTART 0x1b8 = 440. Later, omfsmakeempty uses sbi-ssysblocksi...

CVE-2026-54906 concurrent-ruby: ReadWriteLock allows wrong-thread write release and stray read-release counter corruption

concurrent-ruby is a modern concurrency tools for Ruby. Prior to 1.3.7, Concurrent::ReadWriteLockreleasewritelock does not verify that the calling thread acquired the write lock. Any thread with access to the lock object can release an active write lock held by another thread. A second writer can...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Remove the improper idxdfree The call to idxdfree introduces a duplicate putdevice call, resulting in a reference count underflow: refcountt: underflow; use-after-free. WARNING: CPU: 15, PID: 4428, at...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: AppArmor: Avoid per-cpu hold underflow in aagetbuffer. When aagetbuffer retrieves data from the per-cpu list, it conditionally decreases cache-hold. If hold reaches 0 while count remains non-zero, the unsigned decrement wraps to...