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CVE-2023-52619— pstore/ram: Fix crash when setting number of cpus to an odd number

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，该漏洞源于当cpu数量设置为奇数时会发生崩溃。

AI Predicted 4.3 Difficulty: Easy EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux de83209249d64bad993f25d3ea4bba57683e2e2e< 8b69c30f4e8b69131d92096cb296dc1f217101e4 affected
de83209249d64bad993f25d3ea4bba57683e2e2e< e9f6ac50890104fdf8194f2865680689239d30fb affected
de83209249d64bad993f25d3ea4bba57683e2e2e< a63e48cd835c34c38ef671d344cc029b1ea5bf10 affected
de83209249d64bad993f25d3ea4bba57683e2e2e< 2a37905d47bffec61e95d99f0c1cc5dc6377956c affected
de83209249d64bad993f25d3ea4bba57683e2e2e< 75b0f71b26b3ad833c5c0670109c0af6e021e86a affected
de83209249d64bad993f25d3ea4bba57683e2e2e< 0593cfd321df9001142a9d2c58d4144917dff7ee affected
de83209249d64bad993f25d3ea4bba57683e2e2e< cd40e43f870cf21726b22487a95ed223790b3542 affected
de83209249d64bad993f25d3ea4bba57683e2e2e< d49270a04623ce3c0afddbf3e984cb245aa48e9c affected
… +10 more rows
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I. Basic Information for CVE-2023-52619

Vulnerability Information
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Vulnerability Title
pstore/ram: Fix crash when setting number of cpus to an odd number
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Fix crash when setting number of cpus to an odd number When the number of cpu cores is adjusted to 7 or other odd numbers, the zone size will become an odd number. The address of the zone will become: addr of zone0 = BASE addr of zone1 = BASE + zone_size addr of zone2 = BASE + zone_size*2 ... The address of zone1/3/5/7 will be mapped to non-alignment va. Eventually crashes will occur when accessing these va. So, use ALIGN_DOWN() to make sure the zone size is even to avoid this bug.
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，该漏洞源于当cpu数量设置为奇数时会发生崩溃。
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 de83209249d64bad993f25d3ea4bba57683e2e2e ~ 8b69c30f4e8b69131d92096cb296dc1f217101e4 -
Linux Linux 4.10 -

II. Public POCs for CVE-2023-52619

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III. Intelligence Information for CVE-2023-52619

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Mailing List Discussions for CVE-2023-52619 (2)

Other References for CVE-2023-52619 (7)

Same Patch Batch · Linux · 2024-03-18 · 21 CVEs total

CVE-2024-26641 8.6 HIGH ip6_tunnel: make sure to pull inner header in __ip6_tnl_rcv()
CVE-2023-52616 7.8 HIGH crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init
CVE-2024-26640 7.8 HIGH tcp: add sanity checks to rx zerocopy
CVE-2024-26637 7.8 HIGH wifi: ath11k: rely on mac80211 debugfs handling for vif
CVE-2023-52614 7.8 HIGH PM / devfreq: Fix buffer overflow in trans_stat_show
CVE-2024-26632 7.8 HIGH block: Fix iterating over an empty bio with bio_for_each_folio_all
CVE-2024-26631 7.8 HIGH ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work
CVE-2023-52612 7.8 HIGH crypto: scomp - fix req->dst buffer overflow
CVE-2023-52610 7.5 HIGH net/sched: act_ct: fix skb leak and crash on ooo frags
CVE-2024-26633 ip6_tunnel: fix NEXTHDR_FRAGMENT handling in ip6_tnl_parse_tlv_enc_lim()
CVE-2023-52613 drivers/thermal/loongson2_thermal: Fix incorrect PTR_ERR() judgment
CVE-2023-52615 hwrng: core - Fix page fault dead lock on mmap-ed hwrng
CVE-2023-52609 binder: fix race between mmput() and do_exit()
CVE-2024-26634 net: fix removing a namespace with conflicting altnames
CVE-2024-26635 llc: Drop support for ETH_P_TR_802_2.
CVE-2024-26636 llc: make llc_ui_sendmsg() more robust against bonding changes
CVE-2024-26638 nbd: always initialize struct msghdr completely
CVE-2023-52617 PCI: switchtec: Fix stdev_release() crash after surprise hot remove
CVE-2023-52618 block/rnbd-srv: Check for unlikely string overflow
CVE-2023-52611 wifi: rtw88: sdio: Honor the host max_req_size in the RX path

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-52619

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