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...

CVE-2025-68744

CVE-2025-68744 is a Linux kernel vulnerability affecting BPF maps. The issue arises from not freeing memory for BPF_KPTR_{REF,PERCPU} fields when updating certain lru_percpu_hash maps, potentially causing references to remain after map destruction. The root cause, as described in the initial CVE ...

CVE-2025-68742 bpf: Fix invalid prog->stats access when update_effective_progs fails

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix invalid prog-stats access when updateeffectiveprogs fails Syzkaller triggers an invalid memory access issue following fault injection in updateeffectiveprogs. The issue can be described as follows: cgroupbpfdetach...

CVE-2025-68742

CVE-2025-68742: In the Linux kernel, a fault injection in update_effective_progs can cause a BPF prog to be replaced with a dummy prog, leading to a NULL dereference when a softirq runs and accesses prog->stats. The fix prevents updating stats if stats is NULL, avoiding the invalid memory acce...

CVE-2025-68742 bpf: Fix invalid prog->stats access when update_effective_progs fails

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix invalid prog-stats access when updateeffectiveprogs fails Syzkaller triggers an invalid memory access issue following fault injection in updateeffectiveprogs. The issue can be described as follows: cgroupbpfdetach...

AZL-73150 CVE-2025-68378 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stackmap overflow check in bpfgetstackid Syzkaller reported a KASAN slab-out-of-bounds write in bpfgetstackid when copying stack trace data. The issue occurs when the perf trace contains more stack entries than the stack...

CVE-2025-68378

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stackmap overflow check in bpfgetstackid Syzkaller reported a KASAN slab-out-of-bounds write in bpfgetstackid when copying stack trace data. The issue occurs when the perf trace contains more stack entries than the stack...

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...

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...

UBUNTU-CVE-2025-68378

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stackmap overflow check in bpfgetstackid Syzkaller reported a KASAN slab-out-of-bounds write in bpfgetstackid when copying stack trace data. The issue occurs when the perf trace contains more stack entries than the stack...

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-2025-68355

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix exclusive map memory leak When exclproghash is 0 and exclproghashsize is non-zero, the map also needs to be freed. Otherwise, the map memory will not be reclaimed, just like the memory leak problem reported by syzbot 1...

CVE-2023-54033

In the Linux kernel, the following vulnerability has been resolved: bpf: fix a memory leak in the LRU and LRUPERCPU hash maps The LRU and LRUPERCPU maps allocate a new element on update before locking the target hash table bucket. Right after that the maps try to lock the bucket. If this fails,...

CVE-2025-68355

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix exclusive map memory leak When exclproghash is 0 and exclproghashsize is non-zero, the map also needs to be freed. Otherwise, the map memory will not be reclaimed, just like the memory leak problem reported by syzbot 1...

UBUNTU-CVE-2025-68355

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix exclusive map memory leak When exclproghash is 0 and exclproghashsize is non-zero, the map also needs to be freed. Otherwise, the map memory will not be reclaimed, just like the memory leak problem reported by syzbot 1...

CVE-2023-54033 bpf: fix a memory leak in the LRU and LRU_PERCPU hash maps

In the Linux kernel, the following vulnerability has been resolved: bpf: fix a memory leak in the LRU and LRUPERCPU hash maps The LRU and LRUPERCPU maps allocate a new element on update before locking the target hash table bucket. Right after that the maps try to lock the bucket. If this fails,...

CVE-2025-68725 bpf: Do not let BPF test infra emit invalid GSO types to stack

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-2025-68725

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-2025-68725

CVE-2025-68725 affects the Linux kernel. A patch adds validation to gso_type in GSO handlers to prevent BPF test infra from emitting invalid GSO types to the stack (triggered via BPF programs, e.g., when redirecting to loopback). The issue could allow a local attacker using the BPF test infra to ...

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...