UBUNTU-CVE-2026-64432

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate Dirty Page Table capacity in logreplay copylcns In the analysis pass of $LogFile journal replay, logreplay copies LCNs from each action log record into an existing Dirty Page Table DPT entry without bounding th...

PT-2026-64673

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix NHC entry use-after-free on error path lowpan nhc do uncompression looks up an NHC descriptor while holding lowpan nhc lock. If the descriptor has no uncompress callback, the error path drops the lock before printing...

CVE-2026-63902 USB: serial: cypress_m8: validate interrupt packet headers

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: validate interrupt packet headers cypressreadintcallback parses the interrupt-in buffer according to the selected Cypress packet format. Format 1 has a two-byte status/count header and format 2 has a...

CVE-2026-46116

In the Linux kernel, the following vulnerability has been resolved: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete KASAN reproduces a slab-use-after-free in xfrmstatedelete's hlistdelrcu calls under syzkaller load on linux-6.12.y stable reproduced on 6.12.47, also reachable via the...

CVE-2026-46120

In the Linux kernel, the following vulnerability has been resolved: ip6gre: Use cached t-net in ip6erspanchangelink. After commit 5e72ce3e3980 "net: ipv6: Use link netns in newlink of rtnllinkops", ip6erspannewlink correctly resolves the per-netns ip6gre hash via linknet. ip6erspanchangelink was...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Correctly track subprogram poke descriptors and fix use-after-free Subprograms call mappoketrack, but during program release, there is no hook to call mappokeuntrack. However, during program release, the auxiliary memory and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cxl/port: Hold a reference to the port until the decoder is released. KASAN + DEBUGKOBJECTRELEASE reports a potential use-after-free in cxldecoderrelease. This function references its parent object, a cxlport, to free its id back...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RISCV: Use READONCENOCHECK in the imprecise unwinding stack mode. When CONFIGFRAMEPOINTER is not set, the stack unwinding function walkstackframe randomly reads from the stack. When KASAN is enabled, this can lead to the followin...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-010804)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010804 advisory. In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free in tipcmonreinitself. syzbot reported use-after-free of...

CVE-2026-23392

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: release flowtable after rcu grace period on error Call synchronizercu after unregistering the hooks from error path, since a hook that already refers to this flowtable can be already registered, exposing this...

UBUNTU-CVE-2026-23184

In the Linux kernel, the following vulnerability has been resolved: binder: fix UAF in bindernetlinkreport Oneway transactions sent to frozen targets via binderproctransaction return a BRTRANSACTIONPENDINGFROZEN error but they are still treated as successful since the target is expected to thaw a...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992882)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992882 advisory. In the Linux kernel, the following vulnerability has been resolved: RDMA/srpt: Fix a use-after-free Change the LIO port members inside struct srptport from regular...

CVE-2023-54270

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-2023-54226

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix data races around sk-skshutdown. KCSAN found a data race around sk-skshutdown where unixreleasesock and unixshutdown update it under unixstatelock, OTOH unixpoll and unixdgrampoll read it locklessly. We need to annota...

CVE-2023-54186

In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmodes/displayport: fix pinassignmentshow This patch fixes negative indexing of buf array in pinassignmentshow when getcurrentpinassignments returns 0 i.e. no compatible pin assignments are found. BUG: KASAN:...

CVE-2023-54292

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix data race on CQP request done KCSAN detects a data race on cqprequest-requestdone memory location which is accessed locklessly in irdmahandlecqpop while being updated in irdmacqpcehandler. Annotate lockless intent...

UBUNTU-CVE-2023-54283

In the Linux kernel, the following vulnerability has been resolved: bpf: Address KCSAN report on bpflrulist KCSAN reported a data-race when accessing node-ref. Although node-ref does not have to be accurate, take this chance to use a more common READONCE and WRITEONCE pattern instead of datarace...

CVE-2023-54218 net: Fix load-tearing on sk->sk_stamp in sock_recv_cmsgs().

In the Linux kernel, the following vulnerability has been resolved: net: Fix load-tearing on sk-skstamp in sockrecvcmsgs. KCSAN found a data race in sockrecvcmsgs where the read access to sk-skstamp needs READONCE. BUG: KCSAN: data-race in packetrecvmsg / packetrecvmsg write marked to...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992341)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992341 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Don't use tnumrange on array range checking for poke descriptors Hsin-Wei reported a KASAN...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992370)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992370 advisory. In the Linux kernel, the following vulnerability has been resolved: kcm: annotate data-races around kcm-rxpsock kcm-rxpsock can be read locklessly in kcmrfree...