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CVE-2022-50306— ext4: fix potential out of bound read in ext4_fc_replay_scan()

AI Predicted 6.5 Difficulty: Moderate EPSS 0.01% · P2

Affected Version Matrix 8

VendorProductVersion RangeStatus
LinuxLinux8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2< 6969367c1500c15eddc38fda12f6d15518ad6d03affected
8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2< f234294812c9b68d603650d28743eafb718e7ad5affected
8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2< 1b45cc5c7b920fd8bf72e5a888ec7abeadf41e09affected
5.10affected
< 5.10unaffected
5.15.87≤ 5.15.*unaffected
6.0.6≤ 6.0.*unaffected
6.1≤ *unaffected
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I. Basic Information for CVE-2022-50306

Vulnerability Information
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Vulnerability Title
ext4: fix potential out of bound read in ext4_fc_replay_scan()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ext4: fix potential out of bound read in ext4_fc_replay_scan() For scan loop must ensure that at least EXT4_FC_TAG_BASE_LEN space. If remain space less than EXT4_FC_TAG_BASE_LEN which will lead to out of bound read when mounting corrupt file system image. ADD_RANGE/HEAD/TAIL is needed to add extra check when do journal scan, as this three tags will read data during scan, tag length couldn't less than data length which will read.
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ext4_fc_replay_scan函数中缺少边界检查，可能导致越界读取。
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 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 ~ 6969367c1500c15eddc38fda12f6d15518ad6d03 -
LinuxLinux 5.10 -

II. Public POCs for CVE-2022-50306

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III. Intelligence Information for CVE-2022-50306

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Same Patch Batch · Linux · 2025-09-15 · 210 CVEs total

CVE-2022-50292drm/msm/dp: fix bridge lifetime
CVE-2023-53231erofs: Fix detection of atomic context
CVE-2023-53232mt76: mt7921: fix kernel panic by accessing unallocated eeprom.data
CVE-2023-53233net/smc: fix deadlock triggered by cancel_delayed_work_syn()
CVE-2023-53234watchdog: Fix kmemleak in watchdog_cdev_register
CVE-2023-53235drm/tests: helpers: Avoid a driver uaf
CVE-2023-53236iommufd: Do not corrupt the pfn list when doing batch carry
CVE-2023-53237drm/amdgpu: fix amdgpu_irq_put call trace in gmc_v11_0_hw_fini
CVE-2023-53238phy: hisilicon: Fix an out of bounds check in hisi_inno_phy_probe()
CVE-2023-53239drm/msm/mdp5: Add check for kzalloc
CVE-2023-53240xsk: check IFF_UP earlier in Tx path
CVE-2023-53241nfsd: call op_release, even when op_func returns an error
CVE-2023-53242thermal/drivers/hisi: Drop second sensor hi3660
CVE-2022-50291kcm: annotate data-races around kcm->rx_psock
CVE-2022-50302lockd: set other missing fields when unlocking files
CVE-2022-50299md: Replace snprintf with scnprintf
CVE-2022-50300btrfs: fix extent map use-after-free when handling missing device in read_one_chunk
CVE-2022-50301iommu/omap: Fix buffer overflow in debugfs
CVE-2022-50298slimbus: qcom-ngd: cleanup in probe error path
CVE-2022-50303drm/amdkfd: Fix double release compute pasid

Showing top 20 of 210 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-50306

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