CVE-2023-54094

In the Linux kernel, the following vulnerability has been resolved: net: prevent skb corruption on frag list segmentation Ian reported several skb corruptions triggered by rx-gro-list, collecting different oops alike: 62.624003 BUG: kernel NULL pointer dereference, address: 00000000000000c0...

UBUNTU-CVE-2023-54094

In the Linux kernel, the following vulnerability has been resolved: net: prevent skb corruption on frag list segmentation Ian reported several skb corruptions triggered by rx-gro-list, collecting different oops alike: 62.624003 BUG: kernel NULL pointer dereference, address: 00000000000000c0...

CVE-2023-54114

In the Linux kernel, the following vulnerability has been resolved: net: nsh: Use correct macoffset to unwind gso skb in nshgsosegment As the call trace shows, skbpanic was caused by wrong skb-macheader in nshgsosegment: invalid opcode: 0000 1 PREEMPT SMP KASAN PTI CPU: 3 PID: 2737 Comm: syz Not...

CVE-2023-54112

In the Linux kernel, the following vulnerability has been resolved: kcm: Fix memory leak in error path of kcmsendmsg syzbot reported a memory leak like below: BUG: memory leak unreferenced object 0xffff88810b088c00 size 240: comm "syz-executor186", pid 5012, jiffies 4294943306 age 13.680s hex dum...

UBUNTU-CVE-2023-54114

In the Linux kernel, the following vulnerability has been resolved: net: nsh: Use correct macoffset to unwind gso skb in nshgsosegment As the call trace shows, skbpanic was caused by wrong skb-macheader in nshgsosegment: invalid opcode: 0000 1 PREEMPT SMP KASAN PTI CPU: 3 PID: 2737 Comm: syz Not...

CVE-2023-54114

CVE-2023-54114 — Linux kernel (net: nsh: Use correct mac_offset to unwind gso skb in nsh_gso_segment()) A Linux kernel vulnerability arises in nsh_gso_segment() where the mac_header is restored using an incorrect mac_offset, derived from the network_header difference (nhoff). The root cause is th...

CVE-2023-54114 net: nsh: Use correct mac_offset to unwind gso skb in nsh_gso_segment()

In the Linux kernel, the following vulnerability has been resolved: net: nsh: Use correct macoffset to unwind gso skb in nshgsosegment As the call trace shows, skbpanic was caused by wrong skb-macheader in nshgsosegment: invalid opcode: 0000 1 PREEMPT SMP KASAN PTI CPU: 3 PID: 2737 Comm: syz Not...

CVE-2023-54112

CVE-2023-54112 concerns a Linux kernel memory-leak in the kcm_sendmsg path. The issue arises when copying bytes in kcm_sendmsg(): if an error occurs and execution jumps to the out_error path, last_skb is not updated, causing last_skb to reference an obsolete skb and corrupting the head frag_list,...

CVE-2023-54112 kcm: Fix memory leak in error path of kcm_sendmsg()

In the Linux kernel, the following vulnerability has been resolved: kcm: Fix memory leak in error path of kcmsendmsg syzbot reported a memory leak like below: BUG: memory leak unreferenced object 0xffff88810b088c00 size 240: comm "syz-executor186", pid 5012, jiffies 4294943306 age 13.680s hex dum...

CVE-2023-54094 net: prevent skb corruption on frag list segmentation

In the Linux kernel, the following vulnerability has been resolved: net: prevent skb corruption on frag list segmentation Ian reported several skb corruptions triggered by rx-gro-list, collecting different oops alike: 62.624003 BUG: kernel NULL pointer dereference, address: 00000000000000c0...

EUVD-2025-205072

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...

EUVD-2025-205092

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl818x: rtl8187: Fix potential buffer underflow in rtl8187rxcb The rtl8187rxcb calculates the rx descriptor header address by subtracting its size from the skb tail pointer. However, it does not validate if the received...

CVE-2023-54052

The CVE-2023-54052 issue affects the Linux kernel's mt76 mt7921 wireless driver. When AMSDU frames are formed, TXS may be dropped, causing SKBs to be held in the driver and temporarily halt networking. Root cause per sources: skb leak due to TXS handling in AMSDU. Mitigation described in advisori...

AZL-78413 CVE-2025-68725 affecting package kernel for versions less than 5.15.200.1-1

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-73135 CVE-2025-68363 affecting package kernel for versions less than 6.6.121.1-1

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-2022-50701

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921s: fix slab-out-of-bounds access in sdio host SDIO may need addtional 511 bytes to align bus operation. If the tailroom of this skb is not big enough, we would access invalid memory region. For low level...

CVE-2023-54039

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...

UBUNTU-CVE-2023-54036

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: Fix memory leaks with RTL8723BU, RTL8192EU The wifi + bluetooth combo chip RTL8723BU can leak memory especially? when it's connected to a bluetooth audio device. The busy bluetooth traffic generates lots of C2H ca...

CVE-2022-50706 net/ieee802154: don't warn zero-sized raw_sendmsg()

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...

CVE-2022-50701 wifi: mt76: mt7921s: fix slab-out-of-bounds access in sdio host

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921s: fix slab-out-of-bounds access in sdio host SDIO may need addtional 511 bytes to align bus operation. If the tailroom of this skb is not big enough, we would access invalid memory region. For low level...