CVE-2024-42287: linux NULL Pointer Dereference
Vulnerability summary
CVE-2024-42287 is a high (CVSS 8.8) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.7% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 31 · Related 27Timeline
- 17-08-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Complete command early within lock A crash was observed while performing NPIV and FW reset, BUG: kernel NULL pointer dereference, address: 000000000000001c #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 1 PREEMPT_RT SMP NOPTI RIP: 0010:dma_direct_unmap_sg+0x51/0x1e0 RSP: 0018:ffffc90026f47b88 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000021 RCX: 0000000000000002 RDX: 0000000000000021 RSI: 0000000000000000 RDI: ffff8881041130d0 RBP: ffff8881041130d0 R08: 0000000000000000 R09: 0000000000000034 R10: ffffc90026f47c48 R11: 0000000000000031 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8881565e4a20 R15: 0000000000000000 FS: 00007f4c69ed3d00(0000) GS:ffff889faac80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000001c CR3: 0000000288a50002 CR4: 00000000007706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: <TASK> ? __die_body+0x1a/0x60 ? page_fault_oops+0x16f/0x4a0 ? do_user_addr_fault+0x174/0x7f0 ? exc_page_fault+0x69/0x1a0 ? asm_exc_page_fault+0x22/0x30 ? dma_direct_unmap_sg+0x51/0x1e0 ? preempt_count_sub+0x96/0xe0 qla2xxx_qpair_sp_free_dma+0x29f/0x3b0 [qla2xxx] qla2xxx_qpair_sp_compl+0x60/0x80 [qla2xxx] __qla2x00_abort_all_cmds+0xa2/0x450 [qla2xxx] The command completion was done early while aborting the commands in driver unload path but outside lock to avoid the WARN_ON condition of performing dma_free_attr within the lock. However this caused race condition while command completion via multiple paths causing system crash. Hence complete the command early in unload path but within the lock to avoid race condition.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated4.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST4.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.34%
Chance of exploitation in the next 30 days
Percentile
26%
Versus all other CVEs
30-day change
0.00 pp
From 0.34% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu125 products
- linux< 5.4.0-200.220 | < 5.15.0-125.135 | < 6.8.0-50.51
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1135.145 | < 5.15.0-1072.78 | < 6.8.0-1020.22
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 9189f20b4c5307c0998682bb522e481b4567a8b8, < af46649304b0c9cede4ccfc2be2561ce8ed6a2ea | ≥ 231cfa78ec5badd84a1a2b09465bfad1a926aba1, < 57ba7563712227647f82a92547e82c96cd350553 | ≥ d6f7377528d2abf338e504126e44439541be8f7d, < 9117337b04d789bd08fdd9854a40bec2815cd3f6 | ≥ cd0a1804ac5bab2545ac700c8d0fe9ae9284c567, < 814f4a53cc86f7ea8b501bfb1723f24fd29ef5ee | ≥ 0367076b0817d5c75dfb83001ce7ce5c64d803a9, < 314efe3f87949a568f512f05df20bf47b81cf232 | ≥ 0367076b0817d5c75dfb83001ce7ce5c64d803a9, < 36fdc5319c4d0ec8b8938ec4769764098a246bfb | ≥ 0367076b0817d5c75dfb83001ce7ce5c64d803a9, < 4475afa2646d3fec176fc4d011d3879b26cb26e3 | 415d614344a4f1bbddf55d724fc7eb9ef4b39aad | ≥ 5.4.240, < 5.4.282 | ≥ 5.10.177, < 5.10.224 | ≥ 5.15.105, < 5.15.165 | ≥ 6.1.22, < 6.1.103 | ≥ 6.2.9, < 6.3 | 6.3
- linux_kernel≥ 5.4.240, < 5.4.282 | ≥ 5.10.177, < 5.10.224 | ≥ 5.15.105, < 5.15.165 | ≥ 6.1.22, < 6.1.103 | ≥ 6.2.9, < 6.3 | ≥ 6.3, < 6.6.44 | ≥ 6.7, < 6.10.3
Debian1 product
- linux< 6.1.106-1 | < 6.10.3-1
3 vendors · 128 products