UBUNTU-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...

UBUNTU-CVE-2026-46115

In the Linux kernel, the following vulnerability has been resolved: block: add pgmap check to biovecphysmergeable biovecphysmergeable is used by the request merge, DMA mapping, and integrity merge paths to decide if two physically contiguous bvec segments can be coalesced into one. It currently h...

UBUNTU-CVE-2026-46136

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix a potential clc buffer length underflow The buflen is used to limit the iterations for retrieving the country power setting and may underflow under certain conditions due to changes in the power table in...

UBUNTU-CVE-2026-46217

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: Avoid overflow on msg bound check As pointed out by SDL, the previous condition may be vulnerable to overflow. cherry picked from commit 3c5367d950140d4ec7af830b2268a5a6fdaa3885...

UBUNTU-CVE-2026-46186

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: validate rx pkttype header length virtbtrxhandle reads the leading pkttype byte from the RX skb and forwards the remainder to hcirecvframe for every event/ACL/SCO/ISO type, without checking that the remaining...

UBUNTU-CVE-2026-46212

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: prevent use-after-free when deleting claims When batadvbladelbackboneclaims removes all claims for a backbone, it does this by dropping the link entry in the hash list. This list entry itself was one of the...

UBUNTU-CVE-2026-46117

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Remove user triggerable WARNON in manaibcreateqprss Sashiko points out that the user can specify WQs sharing the same CQ as a part of the uAPI and this will trigger the WARNON then go on to corrupt the kernel. Just...

UBUNTU-CVE-2026-46114

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Reject non-8-byte ATOMICWRITE payloads atomicwritereply at drivers/infiniband/sw/rxe/rxeresp.c unconditionally dereferences 8 bytes at payloadaddrpkt: value = u64 payloadaddrpkt; checkrkey previously accepted an...

UBUNTU-CVE-2026-46175

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix fsck inconsistency caused by FGGC of node block During FGGC node block migration, fsck may incorrectly treat the migrated node block as fsync-written data. The reproduction scenario: root@vm:/mnt/f2fs seq 1 2048 | xargs...

UBUNTU-CVE-2026-46158

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADDADDR rtx: always decrease sk refcount When an ADDADDR is retransmitted, the sk is held in skresettimer. It should then be released in all cases at the end. Some unlikely checks were returning directly instead of...

UBUNTU-CVE-2026-46130

In the Linux kernel, the following vulnerability has been resolved: dm-verity-fec: fix reading parity bytes split across blocks take 3 fecdecodebufs assumes that the parity bytes of the first RS codeword it decodes are never split across parity blocks. This assumption is false. Consider...

UBUNTU-CVE-2026-46197

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. cherry picked from commit...

UBUNTU-CVE-2026-46139

In the Linux kernel, the following vulnerability has been resolved: smb: client: use kzalloc to zero-initialize security descriptor buffer Commit 62e7dd0a39c2d "smb: common: change the data type of numaces to le16" split struct smbacl's le32 numaces field into le16 numaces and le16 reserved. The...

UBUNTU-CVE-2026-46144

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Fix error unwind in manaibcreateqprss Sashiko points out that manaibcfgvportsteering is leaked, the normal destroy path cleans it up...

UBUNTU-CVE-2026-46147

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix pin leak and publication ordering in pkvminitvcpu Two bugs exist in the vCPU initialisation path: 1. If a check fails after hyppinsharedmem succeeds, the cleanup path jumps to 'unlock' without calling unpinhostvcp...

UBUNTU-CVE-2026-46145

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate rxhashkeylen Sashiko points out that rxhashkeylen comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow...

UBUNTU-CVE-2026-46127

In the Linux kernel, the following vulnerability has been resolved: RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdmacopypduresp Sashiko points out that pd-uctx isn't initialized until late in the function so all these error flow references are NULL and will crash. Use the uctx that isn't NU...

UBUNTU-CVE-2026-46137

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADDADDR rtx: fix potential data-race This mptcppmaddtimer helper is executed as a timer callback in softirq context. To avoid any data races, the socket lock needs to be held with bhlocksock. If the socket is in use,...

UBUNTU-CVE-2026-46188

In the Linux kernel, the following vulnerability has been resolved: octeonepvf: add NULL check for napibuildskb napibuildskb can return NULL on allocation failure. In octepvfoqprocessrx, the result is used directly without a NULL check in both the single-buffer and multi-fragment paths, leading t...

UBUNTU-CVE-2026-46143

In the Linux kernel, the following vulnerability has been resolved: ASoC: qcom: q6apm-lpass-dai: Fix multiple graph opens As prepare can be called mulitple times, this can result in multiple graph opens for playback path. This will result in a memory leaks, fix this by adding a check before openi...