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...

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-2025-68355

Summary. CVE-2025-68355 affects the Linux kernel BPF map handling. When excl_prog_hash is 0 and excl_prog_hash_size is non-zero, the kernel fails to free the map memory, causing a memory leak as reported by syzbot. The issue resides in kernel/bpf/syscall.c during map creation as shown by the back...

CVE-2025-68355 bpf: Fix exclusive map memory leak

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...

SUSE CVE-2025-68341

In the Linux kernel, the following vulnerability has been resolved: veth: reduce XDP nodirect return section to fix race As explain in commit fa349e396e48 "veth: Fix race with AFXDP exposing old or uninitialized descriptors" for veth there is a chance after napicompletedone that another CPU can...

PT-2025-52914

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the bpf get stackid function related to a stackmap overflow check. This issue, identified by Syzkaller, can lead to a KASAN slab-out-of-bounds write...

Linux Distros Unpatched Vulnerability : CVE-2025-68725

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2023-54145: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: drop unnecessary user-triggerable WARNONCE in verifierl log It's trivial for user to trigger "verifier log line truncated" warning, as verifier has a fixed-sized buffer of 1024 bytes as of now, and there are at least two...

CVE-2023-54086: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Add preemptcountsub,add into btf id deny list The recursion check in bpfprogenter and bpfprogexit leave preemptcountsub,add unprotected. When attaching trampoline to them we get panic as follows, 867.843050 BUG: TASK stack...

CVE-2025-68744: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Free special fields when update lru,percpuhash maps As lru,percpuhash maps support BPFKPTRREF,PERCPU, missing calls to 'bpfobjfreefields' in 'pcpucopyvalue' could cause the memory referenced by BPFKPTRREF,PERCPU fields to be...

CVE-2023-54033: Undefined Security Weakness

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: Undefined Security Weakness

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-2025-68378: Undefined Security Weakness

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-2025-68355: Undefined Security Weakness

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-2025-68742: Undefined Security Weakness

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...