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CVE-2024-50013— exfat: fix memory leak in exfat_load_bitmap()

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，该漏洞源于在exfat文件系统中exfat_load_bitmap函数中未能正确处理内存泄漏，如果根目录中的第一个目录项不是bitmap目录项。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 1e49a94cf707204b66a3fb242f2814712c941f52< f692160d3e1e5450605071b8df8f7d08d9b09a83 affected
1e49a94cf707204b66a3fb242f2814712c941f52< ddf704c2ce3b73f38d2dd8cf1bb0f7ec038bdf63 affected
1e49a94cf707204b66a3fb242f2814712c941f52< 4e1813e52f86eb8db0c6c9570251f2fcbc571f5d affected
1e49a94cf707204b66a3fb242f2814712c941f52< bf0b3b35259475d1fe377bcaa565488e26684f7a affected
1e49a94cf707204b66a3fb242f2814712c941f52< dca359db1eb37f334267ebd7e3cab9a66d191d5b affected
1e49a94cf707204b66a3fb242f2814712c941f52< 89081e8407e637463db5880d168e3652fb9f4330 affected
1e49a94cf707204b66a3fb242f2814712c941f52< d2b537b3e533f28e0d97293fe9293161fe8cd137 affected
5.7 affected
… +8 more rows
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I. Basic Information for CVE-2024-50013

Vulnerability Information
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Vulnerability Title
exfat: fix memory leak in exfat_load_bitmap()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: exfat: fix memory leak in exfat_load_bitmap() If the first directory entry in the root directory is not a bitmap directory entry, 'bh' will not be released and reassigned, which will cause a memory leak.
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，该漏洞源于在exfat文件系统中exfat_load_bitmap函数中未能正确处理内存泄漏，如果根目录中的第一个目录项不是bitmap目录项。
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 1e49a94cf707204b66a3fb242f2814712c941f52 ~ f692160d3e1e5450605071b8df8f7d08d9b09a83 -
Linux Linux 5.7 -

II. Public POCs for CVE-2024-50013

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III. Intelligence Information for CVE-2024-50013

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Patches & Fixes for CVE-2024-50013 (1)

Same Patch Batch · Linux · 2024-10-21 · 372 CVEs total

CVE-2024-50033 9.8 CRITICAL slip: make slhc_remember() more robust against malicious packets
CVE-2024-49855 9.8 CRITICAL nbd: fix race between timeout and normal completion
CVE-2024-47695 9.8 CRITICAL RDMA/rtrs-clt: Reset cid to con_num - 1 to stay in bounds
CVE-2022-48985 9.8 CRITICAL net: mana: Fix race on per-CQ variable napi work_done
CVE-2022-49003 9.8 CRITICAL nvme: fix SRCU protection of nvme_ns_head list
CVE-2024-50043 9.8 CRITICAL nfsd: fix possible badness in FREE_STATEID
CVE-2024-50047 9.8 CRITICAL smb: client: fix UAF in async decryption
CVE-2024-50046 9.8 CRITICAL NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies()
CVE-2024-49996 9.4 CRITICAL cifs: Fix buffer overflow when parsing NFS reparse points
CVE-2024-47678 9.4 CRITICAL icmp: change the order of rate limits
CVE-2022-48962 8.8 HIGH net: hisilicon: Fix potential use-after-free in hisi_femac_rx()
CVE-2024-49950 8.8 HIGH Bluetooth: L2CAP: Fix uaf in l2cap_connect
CVE-2024-49939 8.8 HIGH wifi: rtw89: avoid to add interface to list twice when SER
CVE-2022-48967 8.8 HIGH NFC: nci: Bounds check struct nfc_target arrays
CVE-2022-48964 8.8 HIGH ravb: Fix potential use-after-free in ravb_rx_gbeth()
CVE-2024-50029 8.8 HIGH Bluetooth: hci_conn: Fix UAF in hci_enhanced_setup_sync
CVE-2024-49930 8.8 HIGH wifi: ath11k: fix array out-of-bound access in SoC stats
CVE-2024-50041 8.8 HIGH i40e: Fix macvlan leak by synchronizing access to mac_filter_hash
CVE-2024-49936 8.8 HIGH net/xen-netback: prevent UAF in xenvif_flush_hash()
CVE-2022-48954 8.8 HIGH s390/qeth: fix use-after-free in hsci

Showing top 20 of 372 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-50013

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