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CVE-2022-49254— media: ti-vpe: cal: Fix a NULL pointer dereference in cal_ctx_v4l2_init_formats()

AI Predicted 5.5 Difficulty: Moderate EPSS 0.26% · P18

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 10

VendorProductVersion RangeStatus
LinuxLinux7168155002cf7aadbfaa14a28f037c880a214764< aa613ac270292e102503e9767882e39200efe608affected
7168155002cf7aadbfaa14a28f037c880a214764< 91e2805579ab0783eed53acc2bf9fb553e939004affected
7168155002cf7aadbfaa14a28f037c880a214764< 1381f1a629a090c251965edb56f849ad648414a4affected
7168155002cf7aadbfaa14a28f037c880a214764< abd77889851d2ead0d0c9c4d29f1808801477b00affected
5.12affected
< 5.12unaffected
5.15.33≤ 5.15.*unaffected
5.16.19≤ 5.16.*unaffected
… +2 more rows
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I. Basic Information for CVE-2022-49254

Vulnerability Information
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Vulnerability Title
media: ti-vpe: cal: Fix a NULL pointer dereference in cal_ctx_v4l2_init_formats()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: media: ti-vpe: cal: Fix a NULL pointer dereference in cal_ctx_v4l2_init_formats() In cal_ctx_v4l2_init_formats(), devm_kzalloc() is assigned to ctx->active_fmt and there is a dereference of it after that, which could lead to NULL pointer dereference on failure of devm_kzalloc(). Fix this bug by adding a NULL check of ctx->active_fmt. This bug was found by a static analyzer. Builds with 'make allyesconfig' show no new warnings, and our static analyzer no longer warns about this code.
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cal_ctx_v4l2_init_formats中对ctx->active_fmt的空指针取消引用。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 7168155002cf7aadbfaa14a28f037c880a214764 ~ aa613ac270292e102503e9767882e39200efe608 -
LinuxLinux 5.12 -

II. Public POCs for CVE-2022-49254

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III. Intelligence Information for CVE-2022-49254

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Patches & Fixes for CVE-2022-49254 (4)

Same Patch Batch · Linux · 2025-02-26 · 706 CVEs total

CVE-2022-491499.8 CRITICALrxrpc: Fix call timer start racing with call destruction
CVE-2022-492809.8 CRITICALNFSD: prevent underflow in nfssvc_decode_writeargs()
CVE-2022-495619.8 CRITICALnetfilter: conntrack: re-fetch conntrack after insertion
CVE-2022-494079.8 CRITICALdlm: fix plock invalid read
CVE-2022-490949.8 CRITICALnet/tls: fix slab-out-of-bounds bug in decrypt_internal
CVE-2022-493629.8 CRITICALNFSD: Fix potential use-after-free in nfsd_file_put()
CVE-2022-490939.8 CRITICALskbuff: fix coalescing for page_pool fragment recycling
CVE-2022-491949.8 CRITICALnet: bcmgenet: Use stronger register read/writes to assure ordering
CVE-2022-493569.8 CRITICALSUNRPC: Trap RDMA segment overflows
CVE-2022-494189.8 CRITICALNFSv4: Fix free of uninitialized nfs4_label on referral lookup.
CVE-2022-492019.8 CRITICALibmvnic: fix race between xmit and reset
CVE-2022-492609.8 CRITICALcrypto: hisilicon/sec - fix the aead software fallback for engine
CVE-2022-490589.1 CRITICALcifs: potential buffer overflow in handling symlinks
CVE-2022-495198.8 HIGHath10k: skip ath10k_halt during suspend for driver state RESTARTING
CVE-2022-493288.8 HIGHmt76: fix use-after-free by removing a non-RCU wcid pointer
CVE-2022-492388.8 HIGHath11k: free peer for station when disconnect from AP for QCA6390/WCN6855
CVE-2022-491388.8 HIGHBluetooth: hci_event: Ignore multiple conn complete events
CVE-2022-494798.8 HIGHmt76: fix tx status related use-after-free race on station removal
CVE-2022-491148.8 HIGHscsi: libfc: Fix use after free in fc_exch_abts_resp()
CVE-2022-491118.8 HIGHBluetooth: Fix use after free in hci_send_acl

Showing top 20 of 706 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-49254

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