CVE-2025-68355— bpf: Fix exclusive map memory leak
Possible ATT&CK Techniques 1AI
T1499 · Endpoint Denial of ServiceAffected Version Matrix 6
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2025-68355
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
bpf: Fix exclusive map memory leak
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix exclusive map memory leak When excl_prog_hash is 0 and excl_prog_hash_size 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]. syzbot reported: BUG: memory leak backtrace (crc 7b9fb9b4): map_create+0x322/0x11e0 kernel/bpf/syscall.c:1512 __sys_bpf+0x3556/0x3610 kernel/bpf/syscall.c:6131
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未释放excl_prog_hash为0时的映射内存，可能导致内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-68355
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2025-68355
请登录查看更多情报信息。
Other References for CVE-2025-68355 (1)
Same Patch Batch · Linux · 2025-12-24 · 322 CVEs total
| CVE-2025-68741 | 9.8 CRITICAL | scsi: qla2xxx: Fix improper freeing of purex item |
| CVE-2025-68745 | 9.8 CRITICAL | scsi: qla2xxx: Clear cmds after chip reset |
| CVE-2022-50717 | 9.8 CRITICAL | nvmet-tcp: add bounds check on Transfer Tag |
| CVE-2023-54090 | 9.8 CRITICAL | ixgbe: Fix panic during XDP_TX with > 64 CPUs |
| CVE-2023-54094 | 9.8 CRITICAL | net: prevent skb corruption on frag list segmentation |
| CVE-2023-53867 | 9.8 CRITICAL | ceph: fix potential use-after-free bug when trimming caps |
| CVE-2025-68359 | 9.8 CRITICAL | btrfs: fix double free of qgroup record after failure to add delayed ref head |
| CVE-2025-68726 | 9.8 CRITICAL | crypto: aead - Fix reqsize handling |
| CVE-2023-54076 | 9.8 CRITICAL | smb: client: fix missed ses refcounting |
| CVE-2023-53996 | 9.3 CRITICAL | x86/sev: Make enc_dec_hypercall() accept a size instead of npages |
| CVE-2023-54071 | 8.8 HIGH | wifi: rtw88: use work to update rate to avoid RCU warning |
| CVE-2025-68736 | 8.8 HIGH | landlock: Fix handling of disconnected directories |
| CVE-2023-54040 | 8.8 HIGH | ice: fix wrong fallback logic for FDIR |
| CVE-2023-54092 | 8.8 HIGH | KVM: s390: pv: fix index value of replaced ASCE |
| CVE-2022-50732 | 8.8 HIGH | staging: rtl8192u: Fix use after free in ieee80211_rx() |
| CVE-2023-54043 | 8.8 HIGH | iommufd: Do not add the same hwpt to the ioas->hwpt_list twice |
| CVE-2023-54120 | 8.8 HIGH | Bluetooth: Fix race condition in hidp_session_thread |
| CVE-2023-54060 | 8.8 HIGH | iommufd: Set end correctly when doing batch carry |
| CVE-2023-53986 | 8.6 HIGH | mips: bmips: BCM6358: disable RAC flush for TP1 |
| CVE-2022-50746 | 8.4 HIGH | erofs: validate the extent length for uncompressed pclusters |
Showing top 20 of 322 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off - CVE-2026-74578
crypto: algif_skcipher - force synchronous processing on tre - CVE-2026-74577
net: mpls: initialize rtm_tos in mpls_getroute() - CVE-2026-74576
mm/slab: prevent unbounded recursion in free path with new k - CVE-2026-74574
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev
Same vendor: Linux
- CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off - CVE-2026-74578
crypto: algif_skcipher - force synchronous processing on tre - CVE-2026-74577
net: mpls: initialize rtm_tos in mpls_getroute() - CVE-2026-74576
mm/slab: prevent unbounded recursion in free path with new k - CVE-2026-74574
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev
V. Comments for CVE-2025-68355
No comments yet