CVE-2024-26877 crypto: xilinx - call finalize with bh disabled

2024-04-1710:27:35

Linux

www.cve.org

vulnerability

crypto

xilinx

linux kernel

disabled

calltrace

7.8 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.1%

JSON

In the Linux kernel, the following vulnerability has been resolved:

crypto: xilinx - call finalize with bh disabled

When calling crypto_finalize_request, BH should be disabled to avoid
triggering the following calltrace:

------------[ cut here ]------------
WARNING: CPU: 2 PID: 74 at crypto/crypto_engine.c:58 crypto_finalize_request+0xa0/0x118
Modules linked in: cryptodev(O)
CPU: 2 PID: 74 Comm: firmware:zynqmp Tainted: G           O       6.8.0-rc1-yocto-standard #323
Hardware name: ZynqMP ZCU102 Rev1.0 (DT)
pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : crypto_finalize_request+0xa0/0x118
lr : crypto_finalize_request+0x104/0x118
sp : ffffffc085353ce0
x29: ffffffc085353ce0 x28: 0000000000000000 x27: ffffff8808ea8688
x26: ffffffc081715038 x25: 0000000000000000 x24: ffffff880100db00
x23: ffffff880100da80 x22: 0000000000000000 x21: 0000000000000000
x20: ffffff8805b14000 x19: ffffff880100da80 x18: 0000000000010450
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000003 x13: 0000000000000000 x12: ffffff880100dad0
x11: 0000000000000000 x10: ffffffc0832dcd08 x9 : ffffffc0812416d8
x8 : 00000000000001f4 x7 : ffffffc0830d2830 x6 : 0000000000000001
x5 : ffffffc082091000 x4 : ffffffc082091658 x3 : 0000000000000000
x2 : ffffffc7f9653000 x1 : 0000000000000000 x0 : ffffff8802d20000
Call trace:
 crypto_finalize_request+0xa0/0x118
 crypto_finalize_aead_request+0x18/0x30
 zynqmp_handle_aes_req+0xcc/0x388
 crypto_pump_work+0x168/0x2d8
 kthread_worker_fn+0xfc/0x3a0
 kthread+0x118/0x138
 ret_from_fork+0x10/0x20
irq event stamp: 40
hardirqs last  enabled at (39): [&lt;ffffffc0812416f8&gt;] _raw_spin_unlock_irqrestore+0x70/0xb0
hardirqs last disabled at (40): [&lt;ffffffc08122d208&gt;] el1_dbg+0x28/0x90
softirqs last  enabled at (36): [&lt;ffffffc080017dec&gt;] kernel_neon_begin+0x8c/0xf0
softirqs last disabled at (34): [&lt;ffffffc080017dc0&gt;] kernel_neon_begin+0x60/0xf0
---[ end trace 0000000000000000 ]---

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/crypto/xilinx/zynqmp-aes-gcm.c"
    ],
    "versions": [
      {
        "version": "4d96f7d48131",
        "lessThan": "8a01335aedc5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d96f7d48131",
        "lessThan": "03e6d4e94843",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d96f7d48131",
        "lessThan": "a71f66bd5f7b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d96f7d48131",
        "lessThan": "23bc89fdce71",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d96f7d48131",
        "lessThan": "9db89b1fb855",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d96f7d48131",
        "lessThan": "dbf291d8ffff",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d96f7d48131",
        "lessThan": "a853450bf4c7",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/crypto/xilinx/zynqmp-aes-gcm.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.214",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.153",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.83",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.23",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7.11",
        "lessThanOrEqual": "6.7.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8.2",
        "lessThanOrEqual": "6.8.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.9",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]