# ALAS2023-2025-1186: Security update for 22 packages

ALAS2023-2025-1186, released September 10, 2025, fixes 54 CVEs across 22 products. One of them is being exploited (CVE-2025-39682); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/alas2023-2025-1186
- Platform: Linux
- Released: Sep 10, 2025
- Priority: Patch now (Closes CVE-2025-39682, exploited (CISA KEV))
- CVEs: 54, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://alas.aws.amazon.com/AL2023/ALAS-2025-1186.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [bpftool](https://patchblox.com/security/data/product/linux/bpftool.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [bpftool-debuginfo](https://patchblox.com/security/data/product/linux/bpftool-debuginfo.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel-debuginfo](https://patchblox.com/security/data/product/linux/kernel-debuginfo.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel-debuginfo-common-aarch64](https://patchblox.com/security/data/product/linux/kernel-debuginfo-common-aarch64.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel-debuginfo-common-x86_64](https://patchblox.com/security/data/product/linux/kernel-debuginfo-common-x86-64.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel-headers](https://patchblox.com/security/data/product/linux/kernel-headers.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel-libbpf](https://patchblox.com/security/data/product/linux/kernel-libbpf.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel-libbpf-debuginfo](https://patchblox.com/security/data/product/linux/kernel-libbpf-debuginfo.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel-libbpf-devel](https://patchblox.com/security/data/product/linux/kernel-libbpf-devel.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel-libbpf-static](https://patchblox.com/security/data/product/linux/kernel-libbpf-static.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel-livepatch-6.1.150-174.273](https://patchblox.com/security/data/product/linux/kernel-livepatch-6.1.150-174.273.md) | amzn 2023 | 1:1.0-0.amzn2023 |
| [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel-modules-extra-common](https://patchblox.com/security/data/product/linux/kernel-modules-extra-common.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel-tools-debuginfo](https://patchblox.com/security/data/product/linux/kernel-tools-debuginfo.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [kernel-tools-devel](https://patchblox.com/security/data/product/linux/kernel-tools-devel.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [perf](https://patchblox.com/security/data/product/linux/perf.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [perf-debuginfo](https://patchblox.com/security/data/product/linux/perf-debuginfo.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |
| [python3-perf-debuginfo](https://patchblox.com/security/data/product/linux/python3-perf-debuginfo.md) | amzn 2023 | 1:6.1.150-174.273.amzn2023 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-39682](https://patchblox.com/security/data/cve/CVE-2025-39682.md) | Patch now | tls: fix handling of zero-length records on the rx_list | 9.8 | 0.0331 | CISA KEV |
| [CVE-2025-37750](https://patchblox.com/security/data/cve/CVE-2025-37750.md) | High | smb: client: fix UAF in decryption with multichannel | 7.8 | 0.0050 |  |
| [CVE-2025-39702](https://patchblox.com/security/data/cve/CVE-2025-39702.md) | High | ipv6: sr: Fix MAC comparison to be constant-time | 7.1 | 0.0045 |  |
| [CVE-2025-38676](https://patchblox.com/security/data/cve/CVE-2025-38676.md) | High | iommu/amd: Avoid stack buffer overflow from kernel cmdline | 7.8 | 0.0042 |  |
| [CVE-2025-38724](https://patchblox.com/security/data/cve/CVE-2025-38724.md) | High | nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() | 7.8 | 0.0041 |  |
| [CVE-2025-38708](https://patchblox.com/security/data/cve/CVE-2025-38708.md) | High | drbd: add missing kref_get in handle_write_conflicts | 7.8 | 0.0040 |  |
| [CVE-2025-38728](https://patchblox.com/security/data/cve/CVE-2025-38728.md) | High | smb3: fix for slab out of bounds on mount to ksmbd | 7.1 | 0.0036 |  |
| [CVE-2025-38552](https://patchblox.com/security/data/cve/CVE-2025-38552.md) | High | mptcp: plug races between subflow fail and subflow creation | 7.8 | 0.0035 |  |
| [CVE-2024-58240](https://patchblox.com/security/data/cve/CVE-2024-58240.md) | High | tls: separate no-async decryption request handling from async | 7.8 | 0.0034 |  |
| [CVE-2025-39673](https://patchblox.com/security/data/cve/CVE-2025-39673.md) | High | ppp: fix race conditions in ppp_fill_forward_path | 7.0 | 0.0032 |  |
| [CVE-2025-39798](https://patchblox.com/security/data/cve/CVE-2025-39798.md) | High | NFS: Fix the setting of capabilities when automounting a new filesystem | 7.0 | 0.0028 |  |
| [CVE-2025-38491](https://patchblox.com/security/data/cve/CVE-2025-38491.md) | High | mptcp: make fallback action and fallback decision atomic | 7.0 | 0.0024 |  |
| [CVE-2025-39806](https://patchblox.com/security/data/cve/CVE-2025-39806.md) | High | kernel-64k-core: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: H... | 7.8 | 0.0024 |  |
| [CVE-2025-38702](https://patchblox.com/security/data/cve/CVE-2025-38702.md) | High | fbdev: fix potential buffer overflow in do_register_framebuffer() | 7.8 | 0.0020 |  |
| [CVE-2025-38614](https://patchblox.com/security/data/cve/CVE-2025-38614.md) | High | eventpoll: Fix semi-unbounded recursion | 7.5 | 0.0020 |  |
| [CVE-2025-39691](https://patchblox.com/security/data/cve/CVE-2025-39691.md) | High | fs/buffer: fix use-after-free when call bh_read() helper | 7.8 | 0.0019 |  |
| [CVE-2025-39689](https://patchblox.com/security/data/cve/CVE-2025-39689.md) | High | ftrace: Also allocate and copy hash for reading of filter files | 7.8 | 0.0019 |  |
| [CVE-2025-39683](https://patchblox.com/security/data/cve/CVE-2025-39683.md) | High | tracing: Limit access to parser->buffer when trace_get_user failed | 7.1 | 0.0019 |  |
| [CVE-2025-38701](https://patchblox.com/security/data/cve/CVE-2025-38701.md) | High | ext4: do not BUG when INLINE_DATA_FL lacks system.data xattr | 7.0 | 0.0019 |  |
| [CVE-2025-38685](https://patchblox.com/security/data/cve/CVE-2025-38685.md) | High | fbdev: Fix vmalloc out-of-bounds write in fast_imageblit | 7.8 | 0.0019 |  |
| [CVE-2025-39766](https://patchblox.com/security/data/cve/CVE-2025-39766.md) | High | net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit | 8.1 | 0.0018 |  |
| [CVE-2025-38684](https://patchblox.com/security/data/cve/CVE-2025-38684.md) | High | net/sched: ets: use old 'nbands' while purging unused classes | 7.0 | 0.0018 |  |
| [CVE-2025-38700](https://patchblox.com/security/data/cve/CVE-2025-38700.md) | High | scsi: libiscsi: Initialize iscsi_conn->dd_data only if memory is allocated | 7.0 | 0.0018 |  |
| [CVE-2025-38732](https://patchblox.com/security/data/cve/CVE-2025-38732.md) | High | netfilter: nf_reject: don't leak dst refcount for loopback packets | 7.0 | 0.0018 |  |
| [CVE-2025-39823](https://patchblox.com/security/data/cve/CVE-2025-39823.md) | High | KVM: x86: use array_index_nospec with indices that come from guest | 7.8 | 0.0018 |  |
| [CVE-2025-38707](https://patchblox.com/security/data/cve/CVE-2025-38707.md) | High | fs/ntfs3: Add sanity check for file name | 7.8 | 0.0018 |  |
| [CVE-2025-39760](https://patchblox.com/security/data/cve/CVE-2025-39760.md) | High | usb: core: config: Prevent OOB read in SS endpoint companion parsing | 7.8 | 0.0018 |  |
| [CVE-2025-39738](https://patchblox.com/security/data/cve/CVE-2025-39738.md) | High | btrfs: do not allow relocation of partially dropped subvolumes | 7.8 | 0.0018 |  |
| [CVE-2025-39749](https://patchblox.com/security/data/cve/CVE-2025-39749.md) | High | rcu: Protect ->defer_qs_iw_pending from data race | 7.0 | 0.0017 |  |
| [CVE-2025-39835](https://patchblox.com/security/data/cve/CVE-2025-39835.md) | High | xfs: do not propagate ENODATA disk errors into xattr code | 7.8 | 0.0017 |  |
| [CVE-2025-39718](https://patchblox.com/security/data/cve/CVE-2025-39718.md) | High | vsock/virtio: Validate length in packet header before skb_put() | 7.8 | 0.0017 |  |
| [CVE-2025-39783](https://patchblox.com/security/data/cve/CVE-2025-39783.md) | High | PCI: endpoint: Fix configfs group list head handling | 7.8 | 0.0017 |  |
| [CVE-2025-39824](https://patchblox.com/security/data/cve/CVE-2025-39824.md) | High | HID: asus: fix UAF via HID_CLAIMED_INPUT validation | 7.8 | 0.0017 |  |
| [CVE-2025-39817](https://patchblox.com/security/data/cve/CVE-2025-39817.md) | High | efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare | 7.6 | 0.0017 |  |
| [CVE-2025-38670](https://patchblox.com/security/data/cve/CVE-2025-38670.md) | High | arm64/entry: Mask DAIF in cpu_switch_to(), call_on_irq_stack() | 7.1 | 0.0017 |  |
| [CVE-2025-39697](https://patchblox.com/security/data/cve/CVE-2025-39697.md) | High | NFS: Fix a race when updating an existing write | 7.6 | 0.0016 |  |
| [CVE-2025-39819](https://patchblox.com/security/data/cve/CVE-2025-39819.md) | High | fs/smb: Fix inconsistent refcnt update | 7.6 | 0.0015 |  |
| [CVE-2025-39825](https://patchblox.com/security/data/cve/CVE-2025-39825.md) | High | smb: client: fix race with concurrent opens in rename(2) | 7.6 | 0.0012 |  |
| [CVE-2025-39759](https://patchblox.com/security/data/cve/CVE-2025-39759.md) | High | btrfs: qgroup: fix race between quota disable and quota rescan ioctl | 7.0 | 0.0012 |  |
| [CVE-2025-39770](https://patchblox.com/security/data/cve/CVE-2025-39770.md) | Routine | net: gso: Forbid IPv6 TSO with extensions on devices with only IPV6_CSUM | 5.7 | 0.0038 |  |
| [CVE-2025-38691](https://patchblox.com/security/data/cve/CVE-2025-38691.md) | Routine | pNFS: Fix uninited ptr deref in block/scsi layout | 6.2 | 0.0019 |  |
| [CVE-2025-38683](https://patchblox.com/security/data/cve/CVE-2025-38683.md) | Routine | kernel: In the Linux kernel, the following vulnerability has been resolved: hv_netvsc: Fix panic during namespace deletion wi... | 5.5 | 0.0018 |  |
| [CVE-2025-39681](https://patchblox.com/security/data/cve/CVE-2025-39681.md) | Routine | x86/cpu/hygon: Add missing resctrl_cpu_detect() in bsp_init helper | 5.5 | 0.0018 |  |
| [CVE-2025-39756](https://patchblox.com/security/data/cve/CVE-2025-39756.md) | Routine | fs: Prevent file descriptor table allocations exceeding INT_MAX | 5.5 | 0.0018 |  |
| [CVE-2025-39724](https://patchblox.com/security/data/cve/CVE-2025-39724.md) | Routine | serial: 8250: fix panic due to PSLVERR | 5.5 | 0.0018 |  |
| [CVE-2025-38721](https://patchblox.com/security/data/cve/CVE-2025-38721.md) | Routine | netfilter: ctnetlink: fix refcount leak on table dump | 5.5 | 0.0018 |  |
| [CVE-2025-39812](https://patchblox.com/security/data/cve/CVE-2025-39812.md) | Routine | sctp: initialize more fields in sctp_v6_from_sk() | 5.5 | 0.0018 |  |
| [CVE-2025-39795](https://patchblox.com/security/data/cve/CVE-2025-39795.md) | Routine | block: avoid possible overflow for chunk_sectors check in blk_stack_limits() | 5.5 | 0.0017 |  |
| [CVE-2025-39800](https://patchblox.com/security/data/cve/CVE-2025-39800.md) | Routine | btrfs: abort transaction on unexpected eb generation at btrfs_copy_root() | 5.5 | 0.0016 |  |
| [CVE-2025-38681](https://patchblox.com/security/data/cve/CVE-2025-38681.md) | Routine | mm/ptdump: take the memory hotplug lock inside ptdump_walk_pgd() | 5.5 | 0.0014 |  |
| [CVE-2025-39736](https://patchblox.com/security/data/cve/CVE-2025-39736.md) | Routine | mm/kmemleak: avoid deadlock by moving pr_warn() outside kmemleak_lock | 5.5 | 0.0013 |  |
| [CVE-2025-39782](https://patchblox.com/security/data/cve/CVE-2025-39782.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved:  jbd2: prevent softlockup in jbd2_log_do_checkpoi... | 5.5 | 0.0013 |  |
| [CVE-2025-39773](https://patchblox.com/security/data/cve/CVE-2025-39773.md) | Routine | net: bridge: fix soft lockup in br_multicast_query_expired() | 5.5 | 0.0012 |  |
| [CVE-2025-39813](https://patchblox.com/security/data/cve/CVE-2025-39813.md) | Routine | ftrace: Fix potential warning in trace_printk_seq during ftrace_dump | 5.5 | 0.0012 |  |

---

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