CVE-2026-98494

In the Linux kernel, the following vulnerability has been resolved: net: atl1: fix soft lockup on out-of-range cmbtpdnexttoclean read Same issue as atl1c see the first commit in this series, "net: atl1c: fix soft lockup on out-of-range tpdcons read": the hardware can report an out-of-range...

UBUNTU-CVE-2026-98589

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject pkt arguments in mutating subprogs The verifier tracks changes in how PTRTOPACKET registers' bounds are modified across subprog boundaries. PTRTOPACKET registers are actually passed as PTRTOMEM, which is assumed valid...

UBUNTU-CVE-2026-98487

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mdb: restart port group walk after deletion brmdbflushpgs keeps a pointer-to-pointer cursor while walking mp-ports. brmulticastdelpg can re-enter the same MDB entry through brmulticastsgdelexcludeports and unlink oth...

CVE-2026-98591

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bounds check for skb-backed dynptrs The skbpointeriflinear function checks whether a memory region of length len starting at offset off into the skb is in the linear area, and returns a pointer to the region if so. The...

CVE-2026-98586

In the Linux kernel, the following vulnerability has been resolved: sctp: hold asoc or transport before modtimer in timer handlers Take the association or transport reference before rearming a timer in the timer handlers. The existing code calls modtimer before taking the reference needed by the...

UBUNTU-CVE-2026-98491

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up committing both but with different sets of extensions. The series of events: 1...

CVE-2026-98569

In the Linux kernel, the following vulnerability has been resolved: ipgre: Reject enabling collect metadata through changelink ipgrenetlinkparms can enable collectmd on an existing GRE, GRETAP or ERSPAN device. Unlike newlink, changelink does not enforce metadata tunnel uniqueness. Converting a...

UBUNTU-CVE-2026-98614

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid livelock while updating retransmit path sctpassocupdateretranpath can loop forever when every remaining transport, including retranpath, is SCTPUNCONFIRMED: the state check runs before the wraparound test, so the loop...

CVE-2026-98643

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix out-of-bounds read of rttmin in sockops A sockops prog reading skops-rttmin never checks the sk type: on the tcpconnrequest path sockops-sk is a requestsock non-full, and the ctx rewrite casts it to a tcpsock full and...

UBUNTU-CVE-2026-98643

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix out-of-bounds read of rttmin in sockops A sockops prog reading skops-rttmin never checks the sk type: on the tcpconnrequest path sockops-sk is a requestsock non-full, and the ctx rewrite casts it to a tcpsock full and...

CVE-2026-98555

In the Linux kernel, the following vulnerability has been resolved: llc: fix skb UAF and leaks on llcmachdrinit failure In llcconnacresendixxxxset0orsendrr, if llcmachdrinit fails, kfreeskbskb is called instead of kfreeskbnskb. This leaks the newly allocated nskb, reads from the freed skb via...

UBUNTU-CVE-2026-98553

In the Linux kernel, the following vulnerability has been resolved: autofs: fix sbi-pipe file reference leak in autofskillsb When autofsfillsuper fails before clearing AUTOFSSBICATATONIC for example, when findgetpid fails on an invalid pgrp mount option, or when an fscontext is closed before...

CVE-2026-98553

In the Linux kernel, the following vulnerability has been resolved: autofs: fix sbi-pipe file reference leak in autofskillsb When autofsfillsuper fails before clearing AUTOFSSBICATATONIC for example, when findgetpid fails on an invalid pgrp mount option, or when an fscontext is closed before...

UBUNTU-CVE-2026-98550

In the Linux kernel, the following vulnerability has been resolved: tipc: reject invalid and unexpected GRPACKMSG to prevent bcackers underflow Commit 48a5fe38772b "tipc: fix bcackers underflow on duplicate GRPACKMSG" rejected duplicate/stale ACKs in tipcgroupprotorcv by returning early when...

CVE-2026-98550

In the Linux kernel, the following vulnerability has been resolved: tipc: reject invalid and unexpected GRPACKMSG to prevent bcackers underflow Commit 48a5fe38772b "tipc: fix bcackers underflow on duplicate GRPACKMSG" rejected duplicate/stale ACKs in tipcgroupprotorcv by returning early when...

CVE-2026-98566

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: clamp freelist reconstruction requests The firmware reconstruction count controls accesses to the request's fixed freelist ID array and the copy into the fixed response array. Neither access currently bounds the...

CVE-2026-98561

In the Linux kernel, the following vulnerability has been resolved: nfp: hold IPsec RX state under the XArray lock nfpnetipsecrx drops the XArray lock before taking a reference to the xfrmstate it found. The delete path can erase the entry and drop the last state reference in that interval. RX ca...

CVE-2026-98559

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix UAF on lgr list traversal in smcrporterr smcrporterr traverses smclgrlist.list without holding smclgrlist.lock, allowing a concurrent smclgrterminatesched to free an lgr while it is still being dereferenced. Hold...

CVE-2026-98489

In the Linux kernel, the following vulnerability has been resolved: net: atl1c: fix soft lockup on out-of-range tpdcons read The hardware can report an out-of-range tpdcons seen as 0xffff while the PCIe link/MAC is resetting. An out-of-range value can never be reached and the loop below would spi...

CVE-2026-98624

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: hold nfnl mutex in event notifier We must serialize the release notifier and the config netlink function. A concurrent thread can issue close which can call the release function while unrelated socket...