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CVE-2020-36778— i2c: xiic: fix reference leak when pm_runtime_get_sync fails

AI Predicted 5.5 Difficulty: Moderate EPSS 0.22% · P13

Possible ATT&CK Techniques 1AI

T1053 · Scheduled Task/Job

Affected Version Matrix 10

VendorProductVersion RangeStatus
LinuxLinux10b17004a74c384c6f410af355b0d6d7a168f613< c977426db644ba476938125597947979e8aba725affected
10b17004a74c384c6f410af355b0d6d7a168f613< e2ba996577eaea423694dc69ae43d56f1410a22baffected
10b17004a74c384c6f410af355b0d6d7a168f613< a42ac16e6573f19c78f556ea292f5b534fcc4514affected
10b17004a74c384c6f410af355b0d6d7a168f613< a85c5c7a3aa8041777ff691400b4046e56149fd3affected
5.6affected
< 5.6unaffected
5.10.37≤ 5.10.*unaffected
5.11.21≤ 5.11.*unaffected
… +2 more rows
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I. Basic Information for CVE-2020-36778

Vulnerability Information
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Vulnerability Title
i2c: xiic: fix reference leak when pm_runtime_get_sync fails
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: i2c: xiic: fix reference leak when pm_runtime_get_sync fails The PM reference count is not expected to be incremented on return in xiic_xfer and xiic_i2c_remove. However, pm_runtime_get_sync will increment the PM reference count even failed. Forgetting to putting operation will result in a reference leak here. Replace it with pm_runtime_resume_and_get to keep usage counter balanced.
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PM 引用计数预计不会在 xiic_xfer 和 xiic_i2c_remove 中返回时增加。
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 10b17004a74c384c6f410af355b0d6d7a168f613 ~ c977426db644ba476938125597947979e8aba725 -
LinuxLinux 5.6 -

II. Public POCs for CVE-2020-36778

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III. Intelligence Information for CVE-2020-36778

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Other References for CVE-2020-36778 (3)

Same Patch Batch · Linux · 2024-02-28 · 86 CVEs total

CVE-2021-46997arm64: entry: always set GIC_PRIO_PSR_I_SET during entry
CVE-2021-47001xprtrdma: Fix cwnd update ordering
CVE-2021-46998ethernet:enic: Fix a use after free bug in enic_hard_start_xmit
CVE-2021-47000ceph: fix inode leak on getattr error in __fh_to_dentry
CVE-2021-47003dmaengine: idxd: Fix potential null dereference on pointer status
CVE-2021-47005PCI: endpoint: Fix NULL pointer dereference for ->get_features()
CVE-2021-47007f2fs: fix panic during f2fs_resize_fs()
CVE-2021-47006ARM: 9064/1: hw_breakpoint: Do not directly check the event's overflow_handler hook
CVE-2021-47009KEYS: trusted: Fix memory leak on object td
CVE-2021-47004f2fs: fix to avoid touching checkpointed data in get_victim()
CVE-2021-46999sctp: do asoc update earlier in sctp_sf_do_dupcook_a
CVE-2021-46995can: mcp251xfd: mcp251xfd_probe(): fix an error pointer dereference in probe
CVE-2021-46996netfilter: nftables: Fix a memleak from userdata error path in new objects
CVE-2021-46994can: mcp251x: fix resume from sleep before interface was brought up
CVE-2021-46992netfilter: nftables: avoid overflows in nft_hash_buckets()
CVE-2021-46993sched: Fix out-of-bound access in uclamp
CVE-2021-46990powerpc/64s: Fix crashes when toggling entry flush barrier
CVE-2021-46991i40e: Fix use-after-free in i40e_client_subtask()
CVE-2021-46989hfsplus: prevent corruption in shrinking truncate
CVE-2021-46987btrfs: fix deadlock when cloning inline extents and using qgroups

Showing top 20 of 86 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2020-36778

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