CVE-2025-68725

In the Linux kernel, the following vulnerability has been resolved: bpf: Do not let BPF test infra emit invalid GSO types to stack Yinhao et al. reported that their fuzzer tool was able to trigger a skbwarnbadoffload from netifskbfeatures - gsofeaturescheck. When a BPF program - triggered via BPF...

CVE-2025-68372

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config put in recvwork There is one uaf issue in recvwork when running NBDCLEARSOCK and NBDCMDRECONFIGURE: nbdgenlconnect // confref=2 connect and recvwork A nbdopen // confref=3 recvwork A done // confref=2 NBDCLEARSO...

CVE-2025-68372

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config put in recvwork There is one uaf issue in recvwork when running NBDCLEARSOCK and NBDCMDRECONFIGURE: nbdgenlconnect // confref=2 connect and recvwork A nbdopen // confref=3 recvwork A done // confref=2 NBDCLEARSO...

UBUNTU-CVE-2025-68725

In the Linux kernel, the following vulnerability has been resolved: bpf: Do not let BPF test infra emit invalid GSO types to stack Yinhao et al. reported that their fuzzer tool was able to trigger a skbwarnbadoffload from netifskbfeatures - gsofeaturescheck. When a BPF program - triggered via BPF...

AZL-73123 CVE-2025-68372 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config put in recvwork There is one uaf issue in recvwork when running NBDCLEARSOCK and NBDCMDRECONFIGURE: nbdgenlconnect // confref=2 connect and recvwork A nbdopen // confref=3 recvwork A done // confref=2 NBDCLEARSO...

CVE-2025-68363

In the Linux kernel, the following vulnerability has been resolved: bpf: Check skb-transportheader is set in bpfskbcheckmtu The bpfskbcheckmtu helper needs to use skb-transportheader when the BPFMTUCHKSEGS flag is used: bpfskbcheckmtuskb, ifindex, &mtulen, 0, BPFMTUCHKSEGS The transportheader is...

CVE-2025-68353

In the Linux kernel, the following vulnerability has been resolved: net: vxlan: prevent NULL deref in vxlanxmitone Neither sock4 nor sock6 pointers are guaranteed to be non-NULL in vxlanxmitone, e.g. if the iface is brought down. This can lead to the following NULL dereference: BUG: kernel NULL...

CVE-2023-54004

In the Linux kernel, the following vulnerability has been resolved: udplite: Fix NULL pointer dereference in skmemraiseallocated. syzbot reported 0 a null-ptr-deref in skgetrmem0 while using IPPROTOUDPLITE 0x88: 14:25:52 executing program 1: r0 = socket$inet60xa, 0x80002, 0x88 We had a similar...

CVE-2025-68353

In the Linux kernel, the following vulnerability has been resolved: net: vxlan: prevent NULL deref in vxlanxmitone Neither sock4 nor sock6 pointers are guaranteed to be non-NULL in vxlanxmitone, e.g. if the iface is brought down. This can lead to the following NULL dereference: BUG: kernel NULL...

UBUNTU-CVE-2025-68353

In the Linux kernel, the following vulnerability has been resolved: net: vxlan: prevent NULL deref in vxlanxmitone Neither sock4 nor sock6 pointers are guaranteed to be non-NULL in vxlanxmitone, e.g. if the iface is brought down. This can lead to the following NULL dereference: BUG: kernel NULL...

UBUNTU-CVE-2022-50706

In the Linux kernel, the following vulnerability has been resolved: net/ieee802154: don't warn zero-sized rawsendmsg syzbot is hitting skbassertlen warning at devqueuexmit 1, for PFIEEE802154 socket's zero-sized rawsendmsg request is hitting devqueuexmit with skb-len == 0. Since PFIEEE802154...

UBUNTU-CVE-2025-68363

In the Linux kernel, the following vulnerability has been resolved: bpf: Check skb-transportheader is set in bpfskbcheckmtu The bpfskbcheckmtu helper needs to use skb-transportheader when the BPFMTUCHKSEGS flag is used: bpfskbcheckmtuskb, ifindex, &mtulen, 0, BPFMTUCHKSEGS The transportheader is...

CVE-2023-54039 can: j1939: j1939_tp_tx_dat_new(): fix out-of-bounds memory access

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939tptxdatnew: fix out-of-bounds memory access In the j1939tptxdatnew function, an out-of-bounds memory access could occur during the memcpy operation if the size of skb-cb is larger than the size of struct...

CVE-2025-68372

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config put in recvwork There is one uaf issue in recvwork when running NBDCLEARSOCK and NBDCMDRECONFIGURE: nbdgenlconnect // confref=2 connect and recvwork A nbdopen // confref=3 recvwork A done // confref=2 NBDCLEARSO...

CVE-2025-68363 bpf: Check skb->transport_header is set in bpf_skb_check_mtu

In the Linux kernel, the following vulnerability has been resolved: bpf: Check skb-transportheader is set in bpfskbcheckmtu The bpfskbcheckmtu helper needs to use skb-transportheader when the BPFMTUCHKSEGS flag is used: bpfskbcheckmtuskb, ifindex, &mtulen, 0, BPFMTUCHKSEGS The transportheader is...

CVE-2025-68353 net: vxlan: prevent NULL deref in vxlan_xmit_one

In the Linux kernel, the following vulnerability has been resolved: net: vxlan: prevent NULL deref in vxlanxmitone Neither sock4 nor sock6 pointers are guaranteed to be non-NULL in vxlanxmitone, e.g. if the iface is brought down. This can lead to the following NULL dereference: BUG: kernel NULL...

RLSA-2025:23279 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: cloneprivatemnt: make sure that caller has CAPSYSADMIN in the right userns CVE-2025-38499 kernel: net: tun: Update napi-skb after XDP process CVE-2025-39984 For more details about the...

Bluetooth: Fix null-ptr-deref in l2cap_sock_resume_cb()

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Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from not checking if skb-transportheader is set, which could lead to a null pointer dereference...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a possible loss of txs in AMSDU by mt76 mt7921, which could lead to SKB leaks and network pauses...