CVE-2025-38277— mtd: nand: ecc-mxic: Fix use of uninitialized variable ret
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I. Basic Information for CVE-2025-38277
Vulnerability Information
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Vulnerability Title
mtd: nand: ecc-mxic: Fix use of uninitialized variable ret
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mtd: nand: ecc-mxic: Fix use of uninitialized variable ret If ctx->steps is zero, the loop processing ECC steps is skipped, and the variable ret remains uninitialized. It is later checked and returned, which leads to undefined behavior and may cause unpredictable results in user space or kernel crashes. This scenario can be triggered in edge cases such as misconfigured geometry, ECC engine misuse, or if ctx->steps is not validated after initialization. Initialize ret to zero before the loop to ensure correct and safe behavior regardless of the ctx->steps value. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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nand-ecc-mxic中的未初始化变量问题，可能导致不可预测结果。
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-2025-38277
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Same Patch Batch · Linux · 2025-07-10 · 84 CVEs total
| CVE-2025-38317 | wifi: ath12k: Fix buffer overflow in debugfs | |
| CVE-2025-38328 | jffs2: check jffs2_prealloc_raw_node_refs() result in few other places | |
| CVE-2025-38316 | wifi: mt76: mt7996: avoid NULL pointer dereference in mt7996_set_monitor() | |
| CVE-2025-38315 | Bluetooth: btintel: Check dsbr size from EFI variable | |
| CVE-2025-38314 | virtio-pci: Fix result size returned for the admin command completion | |
| CVE-2025-38311 | iavf: get rid of the crit lock | |
| CVE-2025-38310 | seg6: Fix validation of nexthop addresses | |
| CVE-2025-38309 | drm/xe/vm: move xe_svm_init() earlier | |
| CVE-2025-38308 | ASoC: Intel: avs: Fix possible null-ptr-deref when initing hw | |
| CVE-2025-38313 | bus: fsl-mc: fix double-free on mc_dev | |
| CVE-2025-38318 | perf: arm-ni: Fix missing platform_set_drvdata() | |
| CVE-2025-38319 | drm/amd/pp: Fix potential NULL pointer dereference in atomctrl_initialize_mc_reg_table | |
| CVE-2025-38320 | arm64/ptrace: Fix stack-out-of-bounds read in regs_get_kernel_stack_nth() | |
| CVE-2025-38321 | smb: Log an error when close_all_cached_dirs fails | |
| CVE-2025-38322 | perf/x86/intel: Fix crash in icl_update_topdown_event() | |
| CVE-2025-38323 | net: atm: add lec_mutex | |
| CVE-2025-38324 | mpls: Use rcu_dereference_rtnl() in mpls_route_input_rcu(). | |
| CVE-2025-38325 | ksmbd: add free_transport ops in ksmbd connection | |
| CVE-2025-38326 | aoe: clean device rq_list in aoedev_downdev() | |
| CVE-2025-38327 | fgraph: Do not enable function_graph tracer when setting funcgraph-args |
Showing top 20 of 84 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
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scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
Same vendor: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
V. Comments for CVE-2025-38277
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