CVE-2026-48982 pam_usb: Missing O_EXCL on pad temp file creation allows concurrent update race

pamusb provides hardware authentication for Linux using ordinary removable media. In versions prior to 0.9.2, when updating a one-time pad file, a temporary file is created using open without the OEXCL flag. Without OEXCL, the create operation is not atomic: two concurrent processes racing to...

CVE-2026-48982 pam_usb: Missing O_EXCL on pad temp file creation allows concurrent update race

pamusb provides hardware authentication for Linux using ordinary removable media. In versions prior to 0.9.2, when updating a one-time pad file, a temporary file is created using open without the OEXCL flag. Without OEXCL, the create operation is not atomic: two concurrent processes racing to...

CVE-2026-48981 pam_usb: xmlReadFile flags=0 permits XXE network entity fetching in conf.c

pamusb provides hardware authentication for Linux using ordinary removable media. In versions prior to 0.9.2, pamusb calls xmlReadFile with flags=0 when loading the configuration file, allowing libxml2 to process external entity references XXE, potentially making outbound network connections or...

CVE-2026-48985 pam_usb: NULL Dereference Crash in pusb_is_loginctl_local when loginctl Returns Empty Remote Field

pamusb provides hardware authentication for Linux using ordinary removable media. In versions 0.9.1 and below, pusbisloginctllocal can cause a NULL dereference crash when parsing loginctl output. The function calls popen and reads the result; if the Remote field is only a newline, fgets succeeds...

CVE-2026-48985

pamusb provides hardware authentication for Linux using ordinary removable media. In versions 0.9.1 and below, pusbisloginctllocal can cause a NULL dereference crash when parsing loginctl output. The function calls popen and reads the result; if the Remote field is only a newline, fgets succeeds...

CVE-2026-48986

pamusb provides hardware authentication for Linux using removable media. In pamusb 0.9.1 and earlier, usbgetprocessparentid can cause an infinite loop DoS because it does not initialize ppid on failure. In pusblocallogin, the same variable is reused as input and output in a process-tree while loo...

CVE-2026-48986

CVE-2026-48986 affects pam_usb (Linux hardware authentication with removable media). In versions up to 0.9.1, the usb_get_process_parent_id() routine can cause an infinite loop DoS because it does not initialize *ppid on failure. In pusb_local_login(), the same variable is reused in a process-tre...

CVE-2026-48984 pam_usb: xfree() does not call explicit_bzero — sensitive cryptographic material may linger in freed heap

pamusb provides hardware authentication for Linux using ordinary removable media. In versions 0.9.1 and below, the xfree memory release helper in calls free without first zeroing the buffer contents, releasing heap-allocated buffers containing sensitive data — including one-time pad bytes read fr...

CVE-2026-48984 pam_usb: xfree() does not call explicit_bzero — sensitive cryptographic material may linger in freed heap

pamusb provides hardware authentication for Linux using ordinary removable media. In versions 0.9.1 and below, the xfree memory release helper in calls free without first zeroing the buffer contents, releasing heap-allocated buffers containing sensitive data — including one-time pad bytes read fr...

Siemens RUGGEDCOM RST2428P Out-of-bounds Write (CVE-2025-40345)

In the Linux kernel, the following vulnerability has been resolved: usb: storage: sddr55: Reject out-of-bound newpba Discovered by Atuin - Automated Vulnerability Discovery Engine. newpba comes from the status packet returned after each write. A bogus device could report values beyond the block...

PT-2026-50769

Name of the Vulnerable Software and Affected Versions pam usb versions 0.9.1 and earlier Description The xfree memory release helper calls free without zeroing buffer contents first. This results in heap-allocated buffers containing sensitive data, such as one-time pad bytes read from disk, being...

PT-2026-50770

Name of the Vulnerable Software and Affected Versions pam usb versions prior to 0.9.2 Description An issue exists in the pusb is loginctl local function where a NULL dereference crash can occur when parsing loginctl output. The function utilizes popen to read results; if the Remote field contains...

PT-2026-50771

Name of the Vulnerable Software and Affected Versions pam usb versions prior to 0.9.2 Description An infinite loop Denial of Service DoS occurs during the process-tree walk when a parent process exits during authentication. The function usb get process parent id fails to initialize the ppid...

PT-2026-50784

Name of the Vulnerable Software and Affected Versions pam usb versions prior to 0.9.2 Description A symlink race condition exists in the creation of per-device and per-user pad directories. The software employs a check-then-act pattern, where it calls lstat to verify existence and subsequently...

Siemens RUGGEDCOM RST2428P Improper Input Validation (CVE-2026-23031)

In the Linux kernel, the following vulnerability has been resolved: can: gsusb: gsusbreceivebulkcallback: fix URB memory leak In gscanopen, the URBs for USB-in transfers are allocated, added to the parent-rxsubmitted anchor and submitted. In the complete callback gsusbreceivebulkcallback, the URB...

Siemens RUGGEDCOM RST2428P Improper Input Validation (CVE-2026-23037)

In the Linux kernel, the following vulnerability has been resolved: can: etases58x: allow partial RX URB allocation to succeed When es58xallocrxurbs fails to allocate the requested number of URBs but succeeds in allocating some, it returns an error code. This causes es58xopen to return early,...

SUSE-SU-2026:22126-1 Security update for opensc

This update for opensc fixes the following issues: - CVE-2025-49010: stack-buffer-overflow via crafted smart card or USB device responses bsc1261214. - CVE-2025-66037: crafted input can cause an out-of-bounds read bsc1261218. - CVE-2025-66038: improper compact-TLV length validation can lead to...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security issues The following security issues were fixed: CVE-2026-31405: media: dvb-net: fix OOB access in ULE extension header tables bsc1261700. CVE-2026-31629: nfc: llcp: add missing return after LLCPCLOSED checks bsc1263790...

SUSE-SU-2026:2383-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2026-31405: media: dvb-net: fix OOB access in ULE extension header tables bsc1261700. - CVE-2026-31629: nfc: llcp: add missing return after LLCPCLOSED checks...

EulerOS Virtualization 2.13.0 : kernel (EulerOS-SA-2026-2400)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : iommu/sva: invalidate stale IOTLB entries for kernel address spaceCVE-2025-71202 iommu: disable SVA when CONFIGX86 is...