K000162906: Linux kernel vulnerabilities CVE-2025-39981, CVE-2025-39982, CVE-2025-39983

Security Advisory Description CVE-2025-39981 In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fix possible UAFs This attemps to fix possible UAFs caused by struct mgmtpending being freed while still being processed like in the following trace, in order to fix...

DEBIAN-CVE-2026-68435

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix address space mismatch in kexec command line lookup When searching the loaded segments for the "kexec" command line marker, the kexecload2 path filemode == 0 passes the user-space segment buffer straight to strncmp...

SUSE CVE-2026-68325

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Bound the early ACPI HID map The ivrsacpihid command-line parser appends entries to a fixed four-element earlyacpihidmap array. Unlike the sibling IOAPIC and HPET parsers, it does not reject a fifth entry before...

SUSE CVE-2026-68416

In the Linux kernel, the following vulnerability has been resolved: mtd: fix double free and WARNON in addmtddevice error paths When deviceregister or mtdnvmemadd fails inside addmtddevice for a partition, the error handling triggers mtdrelease via putdevice or deviceunregister. mtdrelease calls...

Windows Kernel Elevation of Privilege Vulnerability

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally...

UBUNTU-CVE-2026-68231

In the Linux kernel, the following vulnerability has been resolved: media: airspy: Return queued buffers on startstreaming failure The vb2 framework hands buffers to the driver via bufqueue before calling startstreaming. If startstreaming returns an error without first returning those buffers via...

CVE-2026-68340

In the Linux kernel, the following vulnerability has been resolved: hwmon: occ: validate poll response sensor blocks The OCC poll response parser walks a counted list of sensor data blocks. It used the static backing-array capacity as the parse boundary, but a transport response makes only...

UBUNTU-CVE-2026-68097

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate ACE size against SID sub-authorities setntacldacl validates sid.numsubauth before copying an ACE, but does not verify that the declared ACE size contains all sub-authorities described by that field. An undersized...

CVE-2026-68406

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: validate PMSR FTM preamble range PMSR FTM request parsing accepts preamble values outside the enumerated nl80211 preamble range. Reject out-of-range values before using them in the parser capability bit test using...

CVE-2026-68343

In the Linux kernel, the following vulnerability has been resolved: smb: client: validate DFS referral PathConsumed parsedfsreferrals validates that the response contains the fixed referral entry array and, on for-next, the per-referral string offsets. However, the response also contains a...

CVE-2026-68302 amt: re-read skb header pointers after every pull

In the Linux kernel, the following vulnerability has been resolved: amt: re-read skb header pointers after every pull Several AMT receive and transmit paths cache a pointer into the skb head iphdr, ipv6hdr, ethhdr or the AMT message header and then call a helper that can reallocate that head befo...

CVE-2026-68302

In the Linux kernel, the following vulnerability has been resolved: amt: re-read skb header pointers after every pull Several AMT receive and transmit paths cache a pointer into the skb head iphdr, ipv6hdr, ethhdr or the AMT message header and then call a helper that can reallocate that head befo...

CVE-2026-68245

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix lifetime issue of amdgpuvmgettaskinfopasid The vm pointer returned from amdgpuvmgetvmfrompasid is only valid while the lock is still being held. Once xaunlockirqrestore is called and returned, the pointer is no...

CVE-2026-68201 ALSA: timer: drain a slave's callback before its master detaches it

In the Linux kernel, the following vulnerability has been resolved: ALSA: timer: drain a slave's callback before its master detaches it sndtimercloselocked drains the closing instance's own in-flight callback IFLGCALLBACK before freeing it, but not its slaves'. When a master instance is closed,...

CVE-2026-68129

In the Linux kernel, the following vulnerability has been resolved: gve: fix Rx queue stall on alloc failure When the system is under extreme memory pressure, page allocations can fail during the Rx buffer refill loop. If the number of buffers posted to hardware falls below a critical low thresho...

CVE-2026-68083

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix path resolution in ksmbdvfskernpathcreate The SMB2 open lookup is rooted at the share with LOOKUPBENEATH, but the create/mkdir/hardlink sink is not: ksmbdvfskernpathcreate builds an absolute path with converttounixname...

PT-2026-69544

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the pep get sb function. The problem occurs because pep get sb does not account for the possibility that pskb may pull might relocate the socket buffer s...

Linux Distros Unpatched Vulnerability : CVE-2026-68137

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/x25: fix use-after-free in x25killbyneigh x25killbyneigh walks the global X.25 socket list looking for sockets attached to a terminating neighbour...

Linux Distros Unpatched Vulnerability : CVE-2026-68156

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libceph: refresh auth-authorizerbuf,len after authorizer update cephxcreateauthorizer caches au-buf-vec.iovbase and au-buf-vec.iovlen in struct cephauthhandshak...

CVE-2026-64532

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: bound NTFSDE view.dataoff in UpdateRecordDataRoot,Allocation In doaction's UpdateRecordDataRoot fslog.c:3489 and UpdateRecordDataAllocation fslog.c:3697 cases, the memmove destination is Add2Ptre, le16tocpue-view.dataof...