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CVE-2024-50143— udf: fix uninit-value use in udf_get_fileshortad

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udf_get_fileshortad函数中的未初始化值。

CVSS 7.8 · High EPSS 0.28% · P19

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 5eb76fb98b3335aa5cca6a7db2e659561c79c32b affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 417bd613bdbe791549f7687bb1b9b8012ff111c2 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 0ce61b1f6b32df822b59c680cbe8e5ba5d335742 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 4fc0d8660e391dcd8dde23c44d702be1f6846c61 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 72e445df65a0aa9066c6fe2b8736ba2fcca6dac7 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 1ac49babc952f48d82676979b20885e480e69be8 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< e52e0b92ed31dc62afbda15c243dcee0bb5bb58d affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 264db9d666ad9a35075cc9ed9ec09d021580fbb1 affected
… +10 more rows
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I. Basic Information for CVE-2024-50143

Vulnerability Information
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Vulnerability Title
udf: fix uninit-value use in udf_get_fileshortad
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: udf: fix uninit-value use in udf_get_fileshortad Check for overflow when computing alen in udf_current_aext to mitigate later uninit-value use in udf_get_fileshortad KMSAN bug[1]. After applying the patch reproducer did not trigger any issue[2]. [1] https://syzkaller.appspot.com/bug?extid=8901c4560b7ab5c2f9df [2] https://syzkaller.appspot.com/x/log.txt?x=10242227980000
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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udf_get_fileshortad函数中的未初始化值。
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 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ~ 5eb76fb98b3335aa5cca6a7db2e659561c79c32b -
Linux Linux 2.6.12 -

II. Public POCs for CVE-2024-50143

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III. Intelligence Information for CVE-2024-50143

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Patches & Fixes for CVE-2024-50143 (6)

Same Patch Batch · Linux · 2024-11-07 · 34 CVEs total

CVE-2024-50162 9.8 CRITICAL bpf: devmap: provide rxq after redirect
CVE-2024-50154 9.8 CRITICAL tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink().
CVE-2024-50152 9.8 CRITICAL smb: client: fix possible double free in smb2_set_ea()
CVE-2024-50139 7.9 HIGH KVM: arm64: Fix shift-out-of-bounds bug
CVE-2024-50151 7.8 HIGH smb: client: fix OOBs when building SMB2_IOCTL request
CVE-2024-50161 7.8 HIGH bpf: Check the remaining info_cnt before repeating btf fields
CVE-2024-50158 7.8 HIGH RDMA/bnxt_re: Fix out of bound check
CVE-2024-50164 7.8 HIGH bpf: Fix overloading of MEM_UNINIT's meaning
CVE-2024-50165 7.8 HIGH bpf: Preserve param->string when parsing mount options
CVE-2024-50150 7.8 HIGH usb: typec: altmode should keep reference to parent
CVE-2024-50149 7.8 HIGH drm/xe: Don't free job in TDR
CVE-2024-50141 7.8 HIGH ACPI: PRM: Find EFI_MEMORY_RUNTIME block for PRM handler and context
CVE-2024-50145 7.5 HIGH octeon_ep: Add SKB allocation failures handling in __octep_oq_process_rx()
CVE-2024-50170 7.5 HIGH net: bcmasp: fix potential memory leak in bcmasp_xmit()
CVE-2024-50159 7.0 HIGH firmware: arm_scmi: Fix the double free in scmi_debugfs_common_setup()
CVE-2024-50156 drm/msm: Avoid NULL dereference in msm_disp_state_print_regs()
CVE-2024-50167 be2net: fix potential memory leak in be_xmit()
CVE-2024-50166 fsl/fman: Fix refcount handling of fman-related devices
CVE-2024-50168 net/sun3_82586: fix potential memory leak in sun3_82586_send_packet()
CVE-2024-50169 vsock: Update rx_bytes on read_skb()

Showing top 20 of 34 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-50143

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