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CVE-2024-26765— LoongArch: Disable IRQ before init_fn() for nonboot CPUs

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，该漏洞源于潜在的错误中断。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.24% · P13

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux fa96b57c149061f71a70bd6582d995f6424fbbf4< a262b78dd085dbe9b3c75dc1d9c4cd102b110b53 affected
fa96b57c149061f71a70bd6582d995f6424fbbf4< dffdf7c783ef291eef38a5a0037584fd1a7fa464 affected
fa96b57c149061f71a70bd6582d995f6424fbbf4< 8bf2ca8c60712af288b88ba80f8e4df4573d923f affected
fa96b57c149061f71a70bd6582d995f6424fbbf4< 1001db6c42e4012b55e5ee19405490f23e033b5a affected
5.19 affected
< 5.19 unaffected
6.1.80≤ 6.1.* unaffected
6.6.19≤ 6.6.* unaffected
… +2 more rows
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I. Basic Information for CVE-2024-26765

Vulnerability Information
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Vulnerability Title
LoongArch: Disable IRQ before init_fn() for nonboot CPUs
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: LoongArch: Disable IRQ before init_fn() for nonboot CPUs Disable IRQ before init_fn() for nonboot CPUs when hotplug, in order to silence such warnings (and also avoid potential errors due to unexpected interrupts): WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:4503 rcu_cpu_starting+0x214/0x280 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.6.17+ #1198 pc 90000000048e3334 ra 90000000047bd56c tp 900000010039c000 sp 900000010039fdd0 a0 0000000000000001 a1 0000000000000006 a2 900000000802c040 a3 0000000000000000 a4 0000000000000001 a5 0000000000000004 a6 0000000000000000 a7 90000000048e3f4c t0 0000000000000001 t1 9000000005c70968 t2 0000000004000000 t3 000000000005e56e t4 00000000000002e4 t5 0000000000001000 t6 ffffffff80000000 t7 0000000000040000 t8 9000000007931638 u0 0000000000000006 s9 0000000000000004 s0 0000000000000001 s1 9000000006356ac0 s2 9000000007244000 s3 0000000000000001 s4 0000000000000001 s5 900000000636f000 s6 7fffffffffffffff s7 9000000002123940 s8 9000000001ca55f8 ra: 90000000047bd56c tlb_init+0x24c/0x528 ERA: 90000000048e3334 rcu_cpu_starting+0x214/0x280 CRMD: 000000b0 (PLV0 -IE -DA +PG DACF=CC DACM=CC -WE) PRMD: 00000000 (PPLV0 -PIE -PWE) EUEN: 00000000 (-FPE -SXE -ASXE -BTE) ECFG: 00071000 (LIE=12 VS=7) ESTAT: 000c0000 [BRK] (IS= ECode=12 EsubCode=0) PRID: 0014c010 (Loongson-64bit, Loongson-3A5000) CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.6.17+ #1198 Stack : 0000000000000000 9000000006375000 9000000005b61878 900000010039c000 900000010039fa30 0000000000000000 900000010039fa38 900000000619a140 9000000006456888 9000000006456880 900000010039f950 0000000000000001 0000000000000001 cb0cb028ec7e52e1 0000000002b90000 9000000100348700 0000000000000000 0000000000000001 ffffffff916d12f1 0000000000000003 0000000000040000 9000000007930370 0000000002b90000 0000000000000004 9000000006366000 900000000619a140 0000000000000000 0000000000000004 0000000000000000 0000000000000009 ffffffffffc681f2 9000000002123940 9000000001ca55f8 9000000006366000 90000000047a4828 00007ffff057ded8 00000000000000b0 0000000000000000 0000000000000000 0000000000071000 ... Call Trace: [<90000000047a4828>] show_stack+0x48/0x1a0 [<9000000005b61874>] dump_stack_lvl+0x84/0xcc [<90000000047f60ac>] __warn+0x8c/0x1e0 [<9000000005b0ab34>] report_bug+0x1b4/0x280 [<9000000005b63110>] do_bp+0x2d0/0x480 [<90000000047a2e20>] handle_bp+0x120/0x1c0 [<90000000048e3334>] rcu_cpu_starting+0x214/0x280 [<90000000047bd568>] tlb_init+0x248/0x528 [<90000000047a4c44>] per_cpu_trap_init+0x124/0x160 [<90000000047a19f4>] cpu_probe+0x494/0xa00 [<90000000047b551c>] start_secondary+0x3c/0xc0 [<9000000005b66134>] smpboot_entry+0x50/0x58
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，该漏洞源于潜在的错误中断。
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 fa96b57c149061f71a70bd6582d995f6424fbbf4 ~ a262b78dd085dbe9b3c75dc1d9c4cd102b110b53 -
Linux Linux 5.19 -

II. Public POCs for CVE-2024-26765

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III. Intelligence Information for CVE-2024-26765

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Other References for CVE-2024-26765 (4)

Same Patch Batch · Linux · 2024-04-03 · 94 CVEs total

CVE-2024-26760 9.8 CRITICAL scsi: target: pscsi: Fix bio_put() for error case
CVE-2024-26779 8.8 HIGH wifi: mac80211: fix race condition on enabling fast-xmit
CVE-2024-26689 8.8 HIGH ceph: prevent use-after-free in encode_cap_msg()
CVE-2024-26692 8.3 HIGH smb: Fix regression in writes when non-standard maximum write size negotiated
CVE-2024-26736 8.1 HIGH afs: Increase buffer size in afs_update_volume_status()
CVE-2023-52637 7.8 HIGH can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER)
CVE-2024-26728 7.8 HIGH drm/amd/display: fix null-pointer dereference on edid reading
CVE-2024-26748 7.8 HIGH usb: cdns3: fix memory double free when handle zero packet
CVE-2024-26739 7.8 HIGH net/sched: act_mirred: don't override retval if we already lost the skb
CVE-2024-26718 7.8 HIGH dm-crypt, dm-verity: disable tasklets
CVE-2024-26712 7.8 HIGH powerpc/kasan: Fix addr error caused by page alignment
CVE-2024-26737 7.8 HIGH bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel
CVE-2024-26759 7.8 HIGH mm/swap: fix race when skipping swapcache
CVE-2024-26762 7.8 HIGH cxl/pci: Skip to handle RAS errors if CXL.mem device is detached
CVE-2024-26706 7.8 HIGH parisc: Fix random data corruption from exception handler
CVE-2024-26704 7.8 HIGH ext4: fix double-free of blocks due to wrong extents moved_len
CVE-2024-26766 7.8 HIGH IB/hfi1: Fix sdma.h tx->num_descs off-by-one error
CVE-2024-26772 7.8 HIGH ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()
CVE-2024-26699 7.8 HIGH drm/amd/display: Fix array-index-out-of-bounds in dcn35_clkmgr
CVE-2024-26697 7.8 HIGH nilfs2: fix data corruption in dsync block recovery for small block sizes

Showing top 20 of 94 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-26765

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