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CVE-2026-53379— media: i2c: ov8856: free control handler on error in ov8856_init_controls()

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会开源的一款操作系统内核。 Linux kernel 5.1版本存在安全漏洞，该漏洞源于ov8856_init_controls函数中控制处理器未释放，可能导致内存泄漏。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 879347f0c258cffe27b9e28bd4f1f55fc019f857< c13721040a566d832ee8a20ecf04b7ef288a1525 affected
879347f0c258cffe27b9e28bd4f1f55fc019f857< d1b3811c6b0f67fb7f0acfe09bf8244aa8b12465 affected
879347f0c258cffe27b9e28bd4f1f55fc019f857< fd10fb4c33bdc9c25c9b9d5e7e39f635e34c44a3 affected
879347f0c258cffe27b9e28bd4f1f55fc019f857< ba9e9274c4ecfc039c45752dd6055137eaa5f08e affected
879347f0c258cffe27b9e28bd4f1f55fc019f857< 791598484fd558bb426ef5e051effa5c227d5390 affected
879347f0c258cffe27b9e28bd4f1f55fc019f857< f727e3251ceee91f3d6e6d87e323aaf070f0de8e affected
879347f0c258cffe27b9e28bd4f1f55fc019f857< f75e160745663ce9b13362ae6e90bd439c58df69 affected
5.1 affected
… +8 more rows
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I. Basic Information for CVE-2026-53379

Vulnerability Information
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Vulnerability Title
media: i2c: ov8856: free control handler on error in ov8856_init_controls()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: media: i2c: ov8856: free control handler on error in ov8856_init_controls() The control handler wasn't freed if adding controls failed, add an error exit label and convert the existing error return to use it.
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基金会开源的一款操作系统内核。 Linux kernel 5.1版本存在安全漏洞，该漏洞源于ov8856_init_controls函数中控制处理器未释放，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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 879347f0c258cffe27b9e28bd4f1f55fc019f857 ~ c13721040a566d832ee8a20ecf04b7ef288a1525 -
Linux Linux 5.1 -

II. Public POCs for CVE-2026-53379

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III. Intelligence Information for CVE-2026-53379

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Patches & Fixes for CVE-2026-53379 (5)

Same Patch Batch · Linux · 2026-07-19 · 429 CVEs total

CVE-2026-63795 10.0 CRITICAL 9p: avoid putting oldfid in p9_client_walk() error path
CVE-2026-64046 9.8 CRITICAL net: tls: prevent chain-after-chain in plain text SG
CVE-2026-63984 9.8 CRITICAL ipv6: rpl: fix hdrlen overflow in ipv6_rpl_srh_decompress()
CVE-2026-63800 9.8 CRITICAL pNFS: Fix use-after-free in pnfs_update_layout()
CVE-2026-63979 9.8 CRITICAL net/handshake: hand off the pinned file reference to accept_doit
CVE-2026-64142 9.8 CRITICAL ksmbd: close durable scavenger races against m_fp_list lookups
CVE-2026-63978 9.8 CRITICAL net/handshake: Drain pending requests at net namespace exit
CVE-2026-64056 9.8 CRITICAL net: ethernet: cortina: Make RX SKB per-port
CVE-2026-63808 9.8 CRITICAL exfat: fix potential use-after-free in exfat_find_dir_entry()
CVE-2026-64055 9.8 CRITICAL net: ethernet: cortina: Carry over frag counter
CVE-2026-63922 9.8 CRITICAL ipv6: exthdrs: refresh nh after handling HAO option
CVE-2026-64033 9.8 CRITICAL RDMA/rtrs: Fix use-after-free in path file creation cleanup
CVE-2026-64113 9.8 CRITICAL ixgbevf: fix use-after-free in VEPA multicast source pruning
CVE-2026-63825 9.8 CRITICAL gcov: use atomic counter updates to fix concurrent access crashes
CVE-2026-64016 9.8 CRITICAL ksmbd: fix durable reconnect error path file lifetime
CVE-2026-64122 9.8 CRITICAL net/mlx5e: Fix use-after-free in mlx5e_tx_reporter_timeout_recover
CVE-2026-64047 9.8 CRITICAL net: tls: fix off-by-one in sg_chain entry count for wrapped sk_msg ring
CVE-2026-64035 9.8 CRITICAL igc: set tx buffer type for SMD frames
CVE-2026-64025 9.8 CRITICAL bpf, skmsg: fix verdict sk_data_ready racing with ktls rx
CVE-2026-64150 9.8 CRITICAL netfilter: nft_inner: release local_lock before re-enabling softirqs

Showing top 20 of 429 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-53379

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